557911157 has 2 divisors, whose sum is σ = 557911158. Its totient is φ = 557911156.

The previous prime is 557911153. The next prime is 557911213. The reversal of 557911157 is 751119755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556676836 + 1234321 = 23594^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 557911157 - 2² = 557911153 is a prime.

It is a super-2 number, since 2×557911157² = 622529718210157298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557911153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278955578 + 278955579.

It is an arithmetic number, because the mean of its divisors is an integer number (278955579).

Almost surely, 2^557911157 is an apocalyptic number.

It is an amenable number.

557911157 is a deficient number, since it is larger than the sum of its proper divisors (1).

557911157 is an equidigital number, since it uses as much as digits as its factorization.

557911157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55125, while the sum is 41.

The square root of 557911157 is about 23620.1430351300. The cubic root of 557911157 is about 823.2309356865.

It can be divided in two parts, 5579 and 11157, that multiplied together give a triangular number (62244903 = T₁₁₁₅₇).

The spelling of 557911157 in words is "five hundred fifty-seven million, nine hundred eleven thousand, one hundred fifty-seven".