556734057 has 16 divisors (see below), whose sum is σ = 810820800. Its totient is φ = 336987200.

The previous prime is 556734047. The next prime is 556734097. The reversal of 556734057 is 750437655.

It is not a de Polignac number, because 556734057 - 2⁴ = 556734041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556734047) 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, 16819 + ... + 37367.

It is an arithmetic number, because the mean of its divisors is an integer number (50676300).

Almost surely, 2^556734057 is an apocalyptic number.

It is an amenable number.

556734057 is a deficient number, since it is larger than the sum of its proper divisors (254086743).

556734057 is a wasteful number, since it uses less digits than its factorization.

556734057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21384.

The product of its (nonzero) digits is 441000, while the sum is 42.

The square root of 556734057 is about 23595.2125864549. The cubic root of 556734057 is about 822.6515677971.

The spelling of 556734057 in words is "five hundred fifty-six million, seven hundred thirty-four thousand, fifty-seven".