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54054343640 = 235111171104911
BaseRepresentation
bin110010010101111000…
…111101001111011000
312011112010210011112102
4302111320331033120
51341200402444030
640455432102532
73622342224413
oct622570751730
9164463704472
1054054343640
1120a192a4480
12a586834a48
135135a0a92b
14288ad8cb7a
1516157a1c45
hexc95e3d3d8

54054343640 has 64 divisors (see below), whose sum is σ = 132793413120. Its totient is φ = 19639152000.

The previous prime is 54054343633. The next prime is 54054343649. The reversal of 54054343640 is 4634345045.

It is a junction number, because it is equal to n+sod(n) for n = 54054343594 and 54054343603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54054343649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462785 + ... + 567695.

It is an arithmetic number, because the mean of its divisors is an integer number (2074897080).

Almost surely, 254054343640 is an apocalyptic number.

It is an amenable number.

54054343640 is an abundant number, since it is smaller than the sum of its proper divisors (78739069480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54054343640 is a wasteful number, since it uses less digits than its factorization.

54054343640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106104 (or 106100 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 54054343640 its reverse (4634345045), we get a palindrome (58688688685).

The spelling of 54054343640 in words is "fifty-four billion, fifty-four million, three hundred forty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1171 2342 4684 5855 9368 11710 12881 23420 25762 46840 51524 64405 103048 104911 128810 209822 257620 419644 515240 524555 839288 1049110 1154021 2098220 2308042 4196440 4616084 5770105 9232168 11540210 23080420 46160840 122850781 245701562 491403124 614253905 982806248 1228507810 1351358591 2457015620 2702717182 4914031240 5405434364 6756792955 10810868728 13513585910 27027171820 54054343640