557463844 has 24 divisors (see below), whose sum is σ = 1125972288. Its totient is φ = 236546400.

The previous prime is 557463821. The next prime is 557463853. The reversal of 557463844 is 448364755.

It is a junction number, because it is equal to n+sod(n) for n = 557463794 and 557463803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95734 + ... + 101389.

It is an arithmetic number, because the mean of its divisors is an integer number (46915512).

Almost surely, 2^557463844 is an apocalyptic number.

It is an amenable number.

557463844 is an abundant number, since it is smaller than the sum of its proper divisors (568508444).

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

557463844 is a wasteful number, since it uses less digits than its factorization.

557463844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197235 (or 197233 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 46.

The square root of 557463844 is about 23610.6722479475. The cubic root of 557463844 is about 823.0108645914.

The spelling of 557463844 in words is "five hundred fifty-seven million, four hundred sixty-three thousand, eight hundred forty-four".