557298426 has 16 divisors (see below), whose sum is σ = 1114897824. Its totient is φ = 185715984.

The previous prime is 557298419. The next prime is 557298431. The reversal of 557298426 is 624892755.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16821 + ... + 37383.

It is an arithmetic number, because the mean of its divisors is an integer number (69681114).

Almost surely, 2^557298426 is an apocalyptic number.

557298426 is an abundant number, since it is smaller than the sum of its proper divisors (557599398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557298426 is a wasteful number, since it uses less digits than its factorization.

557298426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25085.

The product of its digits is 1209600, while the sum is 48.

The square root of 557298426 is about 23607.1689535192. The cubic root of 557298426 is about 822.9294516707.

The spelling of 557298426 in words is "five hundred fifty-seven million, two hundred ninety-eight thousand, four hundred twenty-six".