557532426 has 24 divisors (see below), whose sum is σ = 1225651392. Its totient is φ = 168949000.

The previous prime is 557532421. The next prime is 557532449. The reversal of 557532426 is 624235755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557532421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383250 + ... + 384701.

It is an arithmetic number, because the mean of its divisors is an integer number (51068808).

Almost surely, 2^557532426 is an apocalyptic number.

557532426 is an abundant number, since it is smaller than the sum of its proper divisors (668118966).

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

557532426 is a wasteful number, since it uses less digits than its factorization.

557532426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767978 (or 767967 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 557532426 is about 23612.1245549823. The cubic root of 557532426 is about 823.0446135166.

The spelling of 557532426 in words is "five hundred fifty-seven million, five hundred thirty-two thousand, four hundred twenty-six".