557797039 has 2 divisors, whose sum is σ = 557797040. Its totient is φ = 557797038.

The previous prime is 557797021. The next prime is 557797091. The reversal of 557797039 is 930797755.

It is a happy number.

It is an a-pointer prime, because the next prime (557797091) can be obtained adding 557797039 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557797039 is a prime.

It is a super-2 number, since 2×557797039² = 622275073434335042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557797139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278898519 + 278898520.

It is an arithmetic number, because the mean of its divisors is an integer number (278898520).

Almost surely, 2^557797039 is an apocalyptic number.

557797039 is a deficient number, since it is larger than the sum of its proper divisors (1).

557797039 is an equidigital number, since it uses as much as digits as its factorization.

557797039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2083725, while the sum is 52.

The square root of 557797039 is about 23617.7272191886. The cubic root of 557797039 is about 823.1748025711.

The spelling of 557797039 in words is "five hundred fifty-seven million, seven hundred ninety-seven thousand, thirty-nine".