557297496 has 80 divisors (see below), whose sum is σ = 1783956240. Its totient is φ = 159226560.

The previous prime is 557297473. The next prime is 557297527. The reversal of 557297496 is 694792755.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56895 + ... + 65966.

It is an arithmetic number, because the mean of its divisors is an integer number (22299453).

Almost surely, 2^557297496 is an apocalyptic number.

557297496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

557297496 is an abundant number, since it is smaller than the sum of its proper divisors (1226658744).

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

557297496 is a wasteful number, since it uses less digits than its factorization.

557297496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122886 (or 122873 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 557297496 is about 23607.1492561046. The cubic root of 557297496 is about 822.9289939119.

The spelling of 557297496 in words is "five hundred fifty-seven million, two hundred ninety-seven thousand, four hundred ninety-six".