55952157018 has 16 divisors (see below), whose sum is σ = 118486920960. Its totient is φ = 17553617856.

The previous prime is 55952156999. The next prime is 55952157043. The reversal of 55952157018 is 81075125955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274275178 + ... + 274275381.

It is an arithmetic number, because the mean of its divisors is an integer number (7405432560).

Almost surely, 2^55952157018 is an apocalyptic number.

55952157018 is an abundant number, since it is smaller than the sum of its proper divisors (62534763942).

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

55952157018 is a wasteful number, since it uses less digits than its factorization.

55952157018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548550581.

The product of its (nonzero) digits is 630000, while the sum is 48.

The spelling of 55952157018 in words is "fifty-five billion, nine hundred fifty-two million, one hundred fifty-seven thousand, eighteen".