55910794772 has 36 divisors (see below), whose sum is σ = 113835432564. Its totient is φ = 23958184320.

The previous prime is 55910794703. The next prime is 55910794781. The reversal of 55910794772 is 27749701955.

It can be written as a sum of positive squares in 2 ways, for example, as 34223520016 + 21687274756 = 184996^2 + 147266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609022 + ... + 1643402.

It is an arithmetic number, because the mean of its divisors is an integer number (3162095349).

Almost surely, 2^55910794772 is an apocalyptic number.

It is an amenable number.

55910794772 is an abundant number, since it is smaller than the sum of its proper divisors (57924637792).

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

55910794772 is a wasteful number, since it uses less digits than its factorization.

55910794772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42696 (or 42687 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 55910794772 in words is "fifty-five billion, nine hundred ten million, seven hundred ninety-four thousand, seven hundred seventy-two".