551055664908 has 72 divisors (see below), whose sum is σ = 1675724843520. Its totient is φ = 149157923040.

The previous prime is 551055664879. The next prime is 551055664961. The reversal of 551055664908 is 809466550155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57540708 + ... + 57550283.

It is an arithmetic number, because the mean of its divisors is an integer number (23273956160).

Almost surely, 2^551055664908 is an apocalyptic number.

It is an amenable number.

551055664908 is an abundant number, since it is smaller than the sum of its proper divisors (1124669178612).

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

551055664908 is a wasteful number, since it uses less digits than its factorization.

551055664908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115091027 (or 115091022 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 551055664908 in words is "five hundred fifty-one billion, fifty-five million, six hundred sixty-four thousand, nine hundred eight".