557636057 has 8 divisors (see below), whose sum is σ = 644114592. Its totient is φ = 477121600.

The previous prime is 557636021. The next prime is 557636063. The reversal of 557636057 is 750636755.

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

It is a cyclic number.

It is not a de Polignac number, because 557636057 - 2²⁸ = 289200601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 557635999 and 557636017.

It is not an unprimeable number, because it can be changed into a prime (557636017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490819 + ... + 1491192.

It is an arithmetic number, because the mean of its divisors is an integer number (80514324).

Almost surely, 2^557636057 is an apocalyptic number.

It is an amenable number.

557636057 is a deficient number, since it is larger than the sum of its proper divisors (86478535).

557636057 is a wasteful number, since it uses less digits than its factorization.

557636057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982039.

The product of its (nonzero) digits is 661500, while the sum is 44.

The square root of 557636057 is about 23614.3188976519. The cubic root of 557636057 is about 823.0956046627.

The spelling of 557636057 in words is "five hundred fifty-seven million, six hundred thirty-six thousand, fifty-seven".