556973745 has 32 divisors (see below), whose sum is σ = 921897984. Its totient is φ = 286848000.

The previous prime is 556973731. The next prime is 556973761. The reversal of 556973745 is 547379655.

556973745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556973745 - 2⁵ = 556973713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278469 + ... + 280461.

It is an arithmetic number, because the mean of its divisors is an integer number (28809312).

Almost surely, 2^556973745 is an apocalyptic number.

It is an amenable number.

556973745 is a deficient number, since it is larger than the sum of its proper divisors (364924239).

556973745 is a wasteful number, since it uses less digits than its factorization.

556973745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633.

The product of its digits is 3969000, while the sum is 51.

The square root of 556973745 is about 23600.2912058305. The cubic root of 556973745 is about 822.7696082489.

The spelling of 556973745 in words is "five hundred fifty-six million, nine hundred seventy-three thousand, seven hundred forty-five".