556123536 has 40 divisors (see below), whose sum is σ = 1596281760. Its totient is φ = 185374368.

The previous prime is 556123507. The next prime is 556123537. The reversal of 556123536 is 635321655.

556123536 is a `hidden beast` number, since 5 + 5 + 612 + 3 + 5 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 556123536.

It is not an unprimeable number, because it can be changed into a prime (556123537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643230 + ... + 644093.

It is an arithmetic number, because the mean of its divisors is an integer number (39907044).

Almost surely, 2^556123536 is an apocalyptic number.

It is an amenable number.

556123536 is an abundant number, since it is smaller than the sum of its proper divisors (1040158224).

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

556123536 is a wasteful number, since it uses less digits than its factorization.

556123536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287340 (or 1287328 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 556123536 is about 23582.2716463024. The cubic root of 556123536 is about 822.3507480712.

The spelling of 556123536 in words is "five hundred fifty-six million, one hundred twenty-three thousand, five hundred thirty-six".