557765242 has 8 divisors (see below), whose sum is σ = 836795232. Its totient is φ = 278833500.

The previous prime is 557765227. The next prime is 557765287. The reversal of 557765242 is 242567755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×557765242² = 622204130366637128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8184 + ... + 34387.

It is an arithmetic number, because the mean of its divisors is an integer number (104599404).

Almost surely, 2^557765242 is an apocalyptic number.

557765242 is a deficient number, since it is larger than the sum of its proper divisors (279029990).

557765242 is a wasteful number, since it uses less digits than its factorization.

557765242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49124.

The product of its digits is 588000, while the sum is 43.

The square root of 557765242 is about 23617.0540499868. The cubic root of 557765242 is about 823.1591606890.

The spelling of 557765242 in words is "five hundred fifty-seven million, seven hundred sixty-five thousand, two hundred forty-two".