557825738 has 4 divisors (see below), whose sum is σ = 836738610. Its totient is φ = 278912868.

The previous prime is 557825717. The next prime is 557825767. The reversal of 557825738 is 837528755.

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., 406707889 + 151117849 = 20167^2 + 12293^2 .

It is a super-2 number, since 2×557825738² = 622339107950489288, 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, 139456433 + ... + 139456436.

Almost surely, 2^557825738 is an apocalyptic number.

557825738 is a deficient number, since it is larger than the sum of its proper divisors (278912872).

557825738 is a wasteful number, since it uses less digits than its factorization.

557825738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278912871.

The product of its digits is 2352000, while the sum is 50.

The square root of 557825738 is about 23618.3347846541. The cubic root of 557825738 is about 823.1889199453.

The spelling of 557825738 in words is "five hundred fifty-seven million, eight hundred twenty-five thousand, seven hundred thirty-eight".