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55321954107 = 3715130415737
BaseRepresentation
bin110011100001011100…
…100000011100111011
312021210111000110012020
4303201130200130323
51401244410012412
641225313245523
73665633564640
oct634134403473
9167714013166
1055321954107
1121509889a32
12a87b2638a3
1352a85150b4
14296b47bdc7
15168bbe518c
hexce172073b

55321954107 has 32 divisors (see below), whose sum is σ = 84901100544. Its totient is φ = 31387392000.

The previous prime is 55321954099. The next prime is 55321954109. The reversal of 55321954107 is 70145912355.

It is a happy number.

55321954107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55321954107 - 23 = 55321954099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55321954109) 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, 9640143 + ... + 9645879.

It is an arithmetic number, because the mean of its divisors is an integer number (2653159392).

Almost surely, 255321954107 is an apocalyptic number.

55321954107 is a deficient number, since it is larger than the sum of its proper divisors (29579146437).

55321954107 is a wasteful number, since it uses less digits than its factorization.

55321954107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 55321954107 in words is "fifty-five billion, three hundred twenty-one million, nine hundred fifty-four thousand, one hundred seven".

Divisors: 1 3 7 21 151 453 1057 3041 3171 5737 9123 17211 21287 40159 63861 120477 459191 866287 1377573 2598861 3214337 6064009 9643011 17446217 18192027 52338651 122123519 366370557 2634378767 7903136301 18440651369 55321954107