557797451 has 2 divisors, whose sum is σ = 557797452. Its totient is φ = 557797450.

The previous prime is 557797439. The next prime is 557797507. The reversal of 557797451 is 154797755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557797451 is a prime.

It is a super-2 number, since 2×557797451² = 622275992684194802, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557797451.

It is not a weakly prime, because it can be changed into another prime (557797411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278898725 + 278898726.

It is an arithmetic number, because the mean of its divisors is an integer number (278898726).

Almost surely, 2^557797451 is an apocalyptic number.

557797451 is a deficient number, since it is larger than the sum of its proper divisors (1).

557797451 is an equidigital number, since it uses as much as digits as its factorization.

557797451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1543500, while the sum is 50.

The square root of 557797451 is about 23617.7359414487. The cubic root of 557797451 is about 823.1750052422.

The spelling of 557797451 in words is "five hundred fifty-seven million, seven hundred ninety-seven thousand, four hundred fifty-one".