557022018 has 16 divisors (see below), whose sum is σ = 1273193280. Its totient is φ = 159149136.

The previous prime is 557022001. The next prime is 557022029. The reversal of 557022018 is 810220755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631173 + ... + 6631256.

It is an arithmetic number, because the mean of its divisors is an integer number (79574580).

Almost surely, 2^557022018 is an apocalyptic number.

557022018 is an abundant number, since it is smaller than the sum of its proper divisors (716171262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557022018 is a wasteful number, since it uses less digits than its factorization.

557022018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262441.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 557022018 is about 23601.3139041029. The cubic root of 557022018 is about 822.7933774183.

The spelling of 557022018 in words is "five hundred fifty-seven million, twenty-two thousand, eighteen".