55902985938 has 54 divisors (see below), whose sum is σ = 126670604151. Its totient is φ = 17816784216.

The previous prime is 55902985913. The next prime is 55902985949. The reversal of 55902985938 is 83958920955.

55902985938 is a `hidden beast` number, since 5 + 590 + 2 + 9 + 8 + 5 + 9 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27951492969 + 27951492969 = 167187^2 + 167187^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167187.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23070595 + ... + 23073017.

Almost surely, 2^55902985938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55902985938

55902985938 is an abundant number, since it is smaller than the sum of its proper divisors (70767618213).

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

55902985938 is an equidigital number, since it uses as much as digits as its factorization.

55902985938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 63.

The spelling of 55902985938 in words is "fifty-five billion, nine hundred two million, nine hundred eighty-five thousand, nine hundred thirty-eight".