557625764 has 12 divisors (see below), whose sum is σ = 989589888. Its totient is φ = 274885800.

The previous prime is 557625751. The next prime is 557625767. The reversal of 557625764 is 467526755.

It is not an unprimeable number, because it can be changed into a prime (557625767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981452 + ... + 982019.

It is an arithmetic number, because the mean of its divisors is an integer number (82465824).

Almost surely, 2^557625764 is an apocalyptic number.

It is an amenable number.

557625764 is a deficient number, since it is larger than the sum of its proper divisors (431964124).

557625764 is a wasteful number, since it uses less digits than its factorization.

557625764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963546 (or 1963544 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 47.

The square root of 557625764 is about 23614.1009568436. The cubic root of 557625764 is about 823.0905403231.

Subtracting from 557625764 its reverse (467526755), we obtain a palindrome (90099009).

The spelling of 557625764 in words is "five hundred fifty-seven million, six hundred twenty-five thousand, seven hundred sixty-four".