556072280 has 64 divisors (see below), whose sum is σ = 1273708800. Its totient is φ = 218459520.

The previous prime is 556072273. The next prime is 556072301. The reversal of 556072280 is 82270655.

It is a self number, because there is not a number n which added to its sum of digits gives 556072280.

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, 572195 + ... + 573165.

It is an arithmetic number, because the mean of its divisors is an integer number (19901700).

Almost surely, 2^556072280 is an apocalyptic number.

It is an amenable number.

556072280 is an abundant number, since it is smaller than the sum of its proper divisors (717636520).

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

556072280 is a wasteful number, since it uses less digits than its factorization.

556072280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 556072280 is about 23581.1848726903. The cubic root of 556072280 is about 822.3254828784.

The spelling of 556072280 in words is "five hundred fifty-six million, seventy-two thousand, two hundred eighty".