557506951 has 2 divisors, whose sum is σ = 557506952. Its totient is φ = 557506950.

The previous prime is 557506931. The next prime is 557506973. The reversal of 557506951 is 159605755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557506951 - 2⁵ = 557506919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557506898 and 557506907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557506921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278753475 + 278753476.

It is an arithmetic number, because the mean of its divisors is an integer number (278753476).

Almost surely, 2^557506951 is an apocalyptic number.

557506951 is a deficient number, since it is larger than the sum of its proper divisors (1).

557506951 is an equidigital number, since it uses as much as digits as its factorization.

557506951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236250, while the sum is 43.

The square root of 557506951 is about 23611.5851013861. The cubic root of 557506951 is about 823.0320776951.

The spelling of 557506951 in words is "five hundred fifty-seven million, five hundred six thousand, nine hundred fifty-one".