557456650 has 24 divisors (see below), whose sum is σ = 1056437964. Its totient is φ = 218774400.

The previous prime is 557456621. The next prime is 557456677. The reversal of 557456650 is 56654755.

It can be written as a sum of positive squares in 6 ways, for example, as 340513209 + 216943441 = 18453^2 + 14729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557456597 and 557456606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102531 + ... + 107830.

Almost surely, 2^557456650 is an apocalyptic number.

557456650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

557456650 is a deficient number, since it is larger than the sum of its proper divisors (498981314).

557456650 is a wasteful number, since it uses less digits than its factorization.

557456650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210426 (or 210421 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The square root of 557456650 is about 23610.5199010949. The cubic root of 557456650 is about 823.0073242927.

The spelling of 557456650 in words is "five hundred fifty-seven million, four hundred fifty-six thousand, six hundred fifty".