556115057 has 8 divisors (see below), whose sum is σ = 562194600. Its totient is φ = 550053504.

The previous prime is 556115051. The next prime is 556115071. The reversal of 556115057 is 750511655.

It can be written as a sum of positive squares in 4 ways, for example, as 99181681 + 456933376 = 9959^2 + 21376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556115057 - 2²⁰ = 555066481 is a prime.

It is a super-2 number, since 2×556115057² = 618527913244226498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556115051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63119 + ... + 71387.

It is an arithmetic number, because the mean of its divisors is an integer number (70274325).

Almost surely, 2^556115057 is an apocalyptic number.

It is an amenable number.

556115057 is a deficient number, since it is larger than the sum of its proper divisors (6079543).

556115057 is a wasteful number, since it uses less digits than its factorization.

556115057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 556115057 is about 23582.0918707395. The cubic root of 556115057 is about 822.3465686956.

The spelling of 556115057 in words is "five hundred fifty-six million, one hundred fifteen thousand, fifty-seven".