55925385138 has 48 divisors (see below), whose sum is σ = 141094789056. Its totient is φ = 15677195040.

The previous prime is 55925385133. The next prime is 55925385149. The reversal of 55925385138 is 83158352955.

55925385138 is a `hidden beast` number, since 5 + 5 + 92 + 5 + 38 + 513 + 8 = 666.

55925385138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55925385133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4180608 + ... + 4193963.

It is an arithmetic number, because the mean of its divisors is an integer number (2939474772).

Almost surely, 2^55925385138 is an apocalyptic number.

55925385138 is an abundant number, since it is smaller than the sum of its proper divisors (85169403918).

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

55925385138 is a wasteful number, since it uses less digits than its factorization.

55925385138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8374639 (or 8374636 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 55925385138 in words is "fifty-five billion, nine hundred twenty-five million, three hundred eighty-five thousand, one hundred thirty-eight".