557229986 has 16 divisors (see below), whose sum is σ = 884407200. Its totient is φ = 262579968.

The previous prime is 557229973. The next prime is 557229997. The reversal of 557229986 is 689922755.

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, 30656 + ... + 45323.

It is an arithmetic number, because the mean of its divisors is an integer number (55275450).

Almost surely, 2^557229986 is an apocalyptic number.

557229986 is a deficient number, since it is larger than the sum of its proper divisors (327177214).

557229986 is a wasteful number, since it uses less digits than its factorization.

557229986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76193.

The product of its digits is 2721600, while the sum is 53.

The square root of 557229986 is about 23605.7193493441. The cubic root of 557229986 is about 822.8957631986.

The spelling of 557229986 in words is "five hundred fifty-seven million, two hundred twenty-nine thousand, nine hundred eighty-six".