551280568 has 16 divisors (see below), whose sum is σ = 1039009680. Its totient is φ = 274211328.

The previous prime is 551280553. The next prime is 551280581. The reversal of 551280568 is 865082155.

It is a self number, because there is not a number n which added to its sum of digits gives 551280568.

It is a congruent number.

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, 176980 + ... + 180067.

It is an arithmetic number, because the mean of its divisors is an integer number (64938105).

Almost surely, 2^551280568 is an apocalyptic number.

It is an amenable number.

551280568 is a deficient number, since it is larger than the sum of its proper divisors (487729112).

551280568 is a wasteful number, since it uses less digits than its factorization.

551280568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357246 (or 357242 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 551280568 is about 23479.3647273515. The cubic root of 551280568 is about 819.9566544607.

The spelling of 551280568 in words is "five hundred fifty-one million, two hundred eighty thousand, five hundred sixty-eight".