557556107 has 4 divisors (see below), whose sum is σ = 557795616. Its totient is φ = 557316600.

The previous prime is 557556091. The next prime is 557556127. The reversal of 557556107 is 701655755.

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

It is a cyclic number.

It is not a de Polignac number, because 557556107 - 2⁴ = 557556091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557556127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116228 + ... + 120929.

It is an arithmetic number, because the mean of its divisors is an integer number (139448904).

Almost surely, 2^557556107 is an apocalyptic number.

557556107 is a deficient number, since it is larger than the sum of its proper divisors (239509).

557556107 is a wasteful number, since it uses less digits than its factorization.

557556107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239508.

The product of its (nonzero) digits is 183750, while the sum is 41.

The square root of 557556107 is about 23612.6260081339. The cubic root of 557556107 is about 823.0562661982.

The spelling of 557556107 in words is "five hundred fifty-seven million, five hundred fifty-six thousand, one hundred seven".