551297968 has 40 divisors (see below), whose sum is σ = 1174799808. Its totient is φ = 249027072.

The previous prime is 551297953. The next prime is 551297987. The reversal of 551297968 is 869792155.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18421 + ... + 37972.

Almost surely, 2^551297968 is an apocalyptic number.

It is an amenable number.

551297968 is an abundant number, since it is smaller than the sum of its proper divisors (623501840).

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

551297968 is a wasteful number, since it uses less digits than its factorization.

551297968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56461 (or 56455 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 52.

The square root of 551297968 is about 23479.7352625621. The cubic root of 551297968 is about 819.9652810999.

The spelling of 551297968 in words is "five hundred fifty-one million, two hundred ninety-seven thousand, nine hundred sixty-eight".