551913234964 has 48 divisors (see below), whose sum is σ = 1188916519168. Its totient is φ = 218306181888.

The previous prime is 551913234913. The next prime is 551913234991. The reversal of 551913234964 is 469432319155.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361049 + ... + 2584255.

Almost surely, 2^551913234964 is an apocalyptic number.

It is an amenable number.

551913234964 is an abundant number, since it is smaller than the sum of its proper divisors (637003284204).

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

551913234964 is a wasteful number, since it uses less digits than its factorization.

551913234964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230024 (or 230022 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 52.

The spelling of 551913234964 in words is "five hundred fifty-one billion, nine hundred thirteen million, two hundred thirty-four thousand, nine hundred sixty-four".