557824538 has 8 divisors (see below), whose sum is σ = 837329088. Its totient is φ = 278714844.

The previous prime is 557824517. The next prime is 557824549. The reversal of 557824538 is 835428755.

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

It is a super-2 number, since 2×557824538² = 622336430389826888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557824492 and 557824501.

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, 95156 + ... + 100847.

It is an arithmetic number, because the mean of its divisors is an integer number (104666136).

Almost surely, 2^557824538 is an apocalyptic number.

557824538 is a deficient number, since it is larger than the sum of its proper divisors (279504550).

557824538 is a wasteful number, since it uses less digits than its factorization.

557824538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197428.

The product of its digits is 1344000, while the sum is 47.

The square root of 557824538 is about 23618.3093806479. The cubic root of 557824538 is about 823.1883296609.

The spelling of 557824538 in words is "five hundred fifty-seven million, eight hundred twenty-four thousand, five hundred thirty-eight".