55416488072 has 32 divisors (see below), whose sum is σ = 120019669920. Its totient is φ = 23707587840.

The previous prime is 55416488069. The next prime is 55416488093. The reversal of 55416488072 is 27088461455.

It is a self number, because there is not a number n which added to its sum of digits gives 55416488072.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18520058 + ... + 18523049.

It is an arithmetic number, because the mean of its divisors is an integer number (3750614685).

Almost surely, 2^55416488072 is an apocalyptic number.

It is an amenable number.

55416488072 is an abundant number, since it is smaller than the sum of its proper divisors (64603181848).

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

55416488072 is a wasteful number, since it uses less digits than its factorization.

55416488072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37043141 (or 37043137 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 55416488072 in words is "fifty-five billion, four hundred sixteen million, four hundred eighty-eight thousand, seventy-two".