551494568 has 16 divisors (see below), whose sum is σ = 1034880000. Its totient is φ = 275526576.

The previous prime is 551494553. The next prime is 551494571. The reversal of 551494568 is 865494155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16718 + ... + 37181.

It is an arithmetic number, because the mean of its divisors is an integer number (64680000).

Almost surely, 2^551494568 is an apocalyptic number.

It is an amenable number.

551494568 is a deficient number, since it is larger than the sum of its proper divisors (483385432).

551494568 is a wasteful number, since it uses less digits than its factorization.

551494568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55184 (or 55180 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The square root of 551494568 is about 23483.9214783221. The cubic root of 551494568 is about 820.0627395977.

The spelling of 551494568 in words is "five hundred fifty-one million, four hundred ninety-four thousand, five hundred sixty-eight".