556774902 has 12 divisors (see below), whose sum is σ = 1206345660. Its totient is φ = 185591628.

The previous prime is 556774861. The next prime is 556774913. The reversal of 556774902 is 209477655.

556774902 is a `hidden beast` number, since 556 + 7 + 7 + 4 + 90 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15465952 + ... + 15465987.

It is an arithmetic number, because the mean of its divisors is an integer number (100528805).

Almost surely, 2^556774902 is an apocalyptic number.

556774902 is an abundant number, since it is smaller than the sum of its proper divisors (649570758).

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

556774902 is a wasteful number, since it uses less digits than its factorization.

556774902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30931947 (or 30931944 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 556774902 is about 23596.0781063294. The cubic root of 556774902 is about 822.6716853507.

The spelling of 556774902 in words is "five hundred fifty-six million, seven hundred seventy-four thousand, nine hundred two".