557320466 has 4 divisors (see below), whose sum is σ = 835980702. Its totient is φ = 278660232.

The previous prime is 557320459. The next prime is 557320499. The reversal of 557320466 is 664023755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 371679841 + 185640625 = 19279^2 + 13625^2 .

It is a super-2 number, since 2×557320466² = 621212203644914312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139330115 + ... + 139330118.

Almost surely, 2^557320466 is an apocalyptic number.

557320466 is a deficient number, since it is larger than the sum of its proper divisors (278660236).

557320466 is a wasteful number, since it uses less digits than its factorization.

557320466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278660235.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 557320466 is about 23607.6357562548. The cubic root of 557320466 is about 822.9402999136.

The spelling of 557320466 in words is "five hundred fifty-seven million, three hundred twenty thousand, four hundred sixty-six".