551055501056 has 18 divisors (see below), whose sum is σ = 1099958442072. Its totient is φ = 275527750400.

The previous prime is 551055501049. The next prime is 551055501083. The reversal of 551055501056 is 650105550155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076280020 + ... + 1076280531.

Almost surely, 2^551055501056 is an apocalyptic number.

It is an amenable number.

551055501056 is a deficient number, since it is larger than the sum of its proper divisors (548902941016).

551055501056 is an equidigital number, since it uses as much as digits as its factorization.

551055501056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152560567 (or 2152560553 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 551055501056 in words is "five hundred fifty-one billion, fifty-five million, five hundred one thousand, fifty-six".