556408272 has 80 divisors (see below), whose sum is σ = 1714176000. Its totient is φ = 152059776.

The previous prime is 556408247. The next prime is 556408277. The reversal of 556408272 is 272804655.

It is a self number, because there is not a number n which added to its sum of digits gives 556408272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556408277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28272 + ... + 43727.

It is an arithmetic number, because the mean of its divisors is an integer number (21427200).

Almost surely, 2^556408272 is an apocalyptic number.

It is an amenable number.

556408272 is an abundant number, since it is smaller than the sum of its proper divisors (1157767728).

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

556408272 is a wasteful number, since it uses less digits than its factorization.

556408272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72040 (or 72034 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 556408272 is about 23588.3079511863. The cubic root of 556408272 is about 822.4910723556.

The spelling of 556408272 in words is "five hundred fifty-six million, four hundred eight thousand, two hundred seventy-two".