55516150656 has 80 divisors (see below), whose sum is σ = 165215195640. Its totient is φ = 18505380096.

The previous prime is 55516150643. The next prime is 55516150661. The reversal of 55516150656 is 65605161555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2666916 + ... + 2687651.

Almost surely, 2^55516150656 is an apocalyptic number.

It is an amenable number.

55516150656 is an abundant number, since it is smaller than the sum of its proper divisors (109699044984).

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

55516150656 is an equidigital number, since it uses as much as digits as its factorization.

55516150656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354593 (or 5354572 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 55516150656 in words is "fifty-five billion, five hundred sixteen million, one hundred fifty thousand, six hundred fifty-six".