556570025 has 12 divisors (see below), whose sum is σ = 752887824. Its totient is φ = 404778000.

The previous prime is 556570019. The next prime is 556570033. The reversal of 556570025 is 520075655.

It is not a de Polignac number, because 556570025 - 2⁴ = 556570009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011671 + ... + 1012220.

It is an arithmetic number, because the mean of its divisors is an integer number (62740652).

Almost surely, 2^556570025 is an apocalyptic number.

556570025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

556570025 is a deficient number, since it is larger than the sum of its proper divisors (196317799).

556570025 is a wasteful number, since it uses less digits than its factorization.

556570025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023912 (or 2023907 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 556570025 is about 23591.7363710262. The cubic root of 556570025 is about 822.5707665389.

The spelling of 556570025 in words is "five hundred fifty-six million, five hundred seventy thousand, twenty-five".