557565755 has 4 divisors (see below), whose sum is σ = 669078912. Its totient is φ = 446052600.

The previous prime is 557565727. The next prime is 557565761.

557565755 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 557565755 - 2²⁴ = 540788539 is a prime.

It is a super-2 number, since 2×557565755² = 621759142297440050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55756571 + ... + 55756580.

It is an arithmetic number, because the mean of its divisors is an integer number (167269728).

Almost surely, 2^557565755 is an apocalyptic number.

557565755 is a deficient number, since it is larger than the sum of its proper divisors (111513157).

557565755 is a wasteful number, since it uses less digits than its factorization.

557565755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111513156.

The product of its digits is 4593750, while the sum is 50.

The square root of 557565755 is about 23612.8303047305. The cubic root of 557565755 is about 823.0610135835.

The spelling of 557565755 in words is "five hundred fifty-seven million, five hundred sixty-five thousand, seven hundred fifty-five".