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54521222350413 = 37134571055941387
BaseRepresentation
bin11000110010110001101100…
…00101110100011001001101
321011001011210201122210002210
430121120312011310121031
524121233430410203123
6311542412003141033
714325012500334420
oct1431306605643115
9234034721583083
1054521222350413
1116410358719125
1261466b3074779
132456438362770
14d66bac51d9b7
1564834e96be93
hex31963617464d

54521222350413 has 64 divisors (see below), whose sum is σ = 89677160939520. Its totient is φ = 28692107269632.

The previous prime is 54521222350369. The next prime is 54521222350421. The reversal of 54521222350413 is 31405322212545.

It is not a de Polignac number, because 54521222350413 - 210 = 54521222349389 is a prime.

It is a super-2 number, since 2×545212223504132 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54521222350213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1317330706 + ... + 1317372092.

It is an arithmetic number, because the mean of its divisors is an integer number (1401205639680).

Almost surely, 254521222350413 is an apocalyptic number.

It is an amenable number.

54521222350413 is a deficient number, since it is larger than the sum of its proper divisors (35155938589107).

54521222350413 is a wasteful number, since it uses less digits than its factorization.

54521222350413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52426.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 54521222350413 its reverse (31405322212545), we get a palindrome (85926544562958).

The spelling of 54521222350413 in words is "fifty-four trillion, five hundred twenty-one billion, two hundred twenty-two million, three hundred fifty thousand, four hundred thirteen".

Divisors: 1 3 7 13 21 39 91 273 457 1371 3199 5941 9597 10559 17823 31677 41387 41587 73913 124161 124761 137267 221739 289709 411801 538031 869127 960869 1614093 2882607 3766217 4825463 11298651 14476389 18913859 33778241 56741577 62731019 101334723 132397013 188193057 245880167 397191039 437005333 439117133 737640501 1311015999 1317351399 1721161169 3059037331 5163483507 5681069329 9177111993 17043207987 39767485303 119302455909 199711437181 599134311543 1397980060267 2596248683353 4193940180801 7788746050059 18173740783471 54521222350413