55906099723788 has 96 divisors (see below), whose sum is σ = 137551989469440. Its totient is φ = 17623883370240.

The previous prime is 55906099723787. The next prime is 55906099723801. The reversal of 55906099723788 is 88732799060955.

It is a super-2 number, since 2×55906099723788² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55906099723781) 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, 347462478 + ... + 347623338.

It is an arithmetic number, because the mean of its divisors is an integer number (1432833223640).

Almost surely, 2^{55906099723788} is an apocalyptic number.

It is an amenable number.

55906099723788 is an abundant number, since it is smaller than the sum of its proper divisors (81645889745652).

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

55906099723788 is a wasteful number, since it uses less digits than its factorization.

55906099723788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163527 (or 163525 counting only the distinct ones).

The product of its (nonzero) digits is 2057529600, while the sum is 78.

The spelling of 55906099723788 in words is "fifty-five trillion, nine hundred six billion, ninety-nine million, seven hundred twenty-three thousand, seven hundred eighty-eight".