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55113110 = 25131953421
BaseRepresentation
bin1101001000111…
…1010110010110
310211201000222022
43102033112112
5103102104420
65245133142
71236311423
oct322172626
9124630868
1055113110
1129123328
121655a1b2
13b558810
147468d4a
154c89c25
hex348f596

55113110 has 64 divisors (see below), whose sum is σ = 114851520. Its totient is φ = 18869760.

The previous prime is 55113109. The next prime is 55113119. The reversal of 55113110 is 1131155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55113119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130700 + ... + 131120.

It is an arithmetic number, because the mean of its divisors is an integer number (1794555).

Almost surely, 255113110 is an apocalyptic number.

55113110 is an abundant number, since it is smaller than the sum of its proper divisors (59738410).

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

55113110 is a wasteful number, since it uses less digits than its factorization.

55113110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 55113110 is about 7423.8204450269. The cubic root of 55113110 is about 380.5557657207. Note that the first 3 decimals are identical.

Adding to 55113110 its reverse (1131155), we get a palindrome (56244265).

It can be divided in two parts, 5 and 5113110, that added together give a palindrome (5113115).

The spelling of 55113110 in words is "fifty-five million, one hundred thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 13 19 26 38 53 65 95 106 130 190 247 265 421 494 530 689 842 1007 1235 1378 2014 2105 2470 3445 4210 5035 5473 6890 7999 10070 10946 13091 15998 22313 26182 27365 39995 44626 54730 65455 79990 103987 111565 130910 207974 223130 290069 423947 519935 580138 847894 1039870 1450345 2119735 2900690 4239470 5511311 11022622 27556555 55113110