556973747 has 16 divisors (see below), whose sum is σ = 627177600. Its totient is φ = 490290240.

The previous prime is 556973731. The next prime is 556973761. The reversal of 556973747 is 747379655.

It is not a de Polignac number, because 556973747 - 2⁴ = 556973731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556973707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37079 + ... + 49887.

It is an arithmetic number, because the mean of its divisors is an integer number (39198600).

Almost surely, 2^556973747 is an apocalyptic number.

556973747 is a deficient number, since it is larger than the sum of its proper divisors (70203853).

556973747 is a wasteful number, since it uses less digits than its factorization.

556973747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946.

The product of its digits is 5556600, while the sum is 53.

The square root of 556973747 is about 23600.2912482028. The cubic root of 556973747 is about 822.7696092337.

The spelling of 556973747 in words is "five hundred fifty-six million, nine hundred seventy-three thousand, seven hundred forty-seven".