556969725 has 144 divisors (see below), whose sum is σ = 1189423872. Its totient is φ = 246343680.

The previous prime is 556969709. The next prime is 556969733. The reversal of 556969725 is 527969655.

It is a happy number.

556969725 is a `hidden beast` number, since 5 + 569 + 6 + 9 + 72 + 5 = 666.

It is not a de Polignac number, because 556969725 - 2⁴ = 556969709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1143432 + ... + 1143918.

It is an arithmetic number, because the mean of its divisors is an integer number (8259888).

Almost surely, 2^556969725 is an apocalyptic number.

It is an amenable number.

556969725 is an abundant number, since it is smaller than the sum of its proper divisors (632454147).

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

556969725 is a wasteful number, since it uses less digits than its factorization.

556969725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 548 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 54.

The square root of 556969725 is about 23600.2060372362. The cubic root of 556969725 is about 822.7676287769.

The spelling of 556969725 in words is "five hundred fifty-six million, nine hundred sixty-nine thousand, seven hundred twenty-five".