556054931 has 16 divisors (see below), whose sum is σ = 594397440. Its totient is φ = 518666400.

The previous prime is 556054927. The next prime is 556054937. The reversal of 556054931 is 139450655.

It is a cyclic number.

It is not a de Polignac number, because 556054931 - 2² = 556054927 is a prime.

It is a super-2 number, since 2×556054931² = 618394172578829522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556054937) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 792881 + ... + 793581.

It is an arithmetic number, because the mean of its divisors is an integer number (37149840).

Almost surely, 2^556054931 is an apocalyptic number.

556054931 is a deficient number, since it is larger than the sum of its proper divisors (38342509).

556054931 is a wasteful number, since it uses less digits than its factorization.

556054931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 556054931 is about 23580.8170129875. The cubic root of 556054931 is about 822.3169308288.

The spelling of 556054931 in words is "five hundred fifty-six million, fifty-four thousand, nine hundred thirty-one".