557404755 has 16 divisors (see below), whose sum is σ = 944309664. Its totient is φ = 279795200.

The previous prime is 557404739. The next prime is 557404787.

It is a happy number.

557404755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 557404755 - 2⁴ = 557404739 is a prime.

It is a super-2 number, since 2×557404755² = 621400121793220050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092696 + ... + 1093205.

It is an arithmetic number, because the mean of its divisors is an integer number (59019354).

Almost surely, 2^557404755 is an apocalyptic number.

557404755 is a deficient number, since it is larger than the sum of its proper divisors (386904909).

557404755 is a wasteful number, since it uses less digits than its factorization.

557404755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185926.

The product of its (nonzero) digits is 490000, while the sum is 42.

The square root of 557404755 is about 23609.4208950580. The cubic root of 557404755 is about 822.9817849134.

The spelling of 557404755 in words is "five hundred fifty-seven million, four hundred four thousand, seven hundred fifty-five".