556125057 has 6 divisors (see below), whose sum is σ = 803291762. Its totient is φ = 370750032.

The previous prime is 556125049. The next prime is 556125109. The reversal of 556125057 is 750521655.

It is a happy number.

556125057 is a `hidden beast` number, since 556 + 1 + 2 + 50 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 551498256 + 4626801 = 23484^2 + 2151^2 .

It is not a de Polignac number, because 556125057 - 2³ = 556125049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556125007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30895828 + ... + 30895845.

Almost surely, 2^556125057 is an apocalyptic number.

It is an amenable number.

556125057 is a deficient number, since it is larger than the sum of its proper divisors (247166705).

556125057 is a wasteful number, since it uses less digits than its factorization.

556125057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61791679 (or 61791676 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 556125057 is about 23582.3038950820. The cubic root of 556125057 is about 822.3514977813.

The spelling of 556125057 in words is "five hundred fifty-six million, one hundred twenty-five thousand, fifty-seven".