557564276 has 6 divisors (see below), whose sum is σ = 975737490. Its totient is φ = 278782136.

The previous prime is 557564269. The next prime is 557564279. The reversal of 557564276 is 672465755.

It can be written as a sum of positive squares in only one way, i.e., 523036900 + 34527376 = 22870^2 + 5876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 557564276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557564279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69695531 + ... + 69695538.

It is an arithmetic number, because the mean of its divisors is an integer number (162622915).

Almost surely, 2^557564276 is an apocalyptic number.

It is an amenable number.

557564276 is a deficient number, since it is larger than the sum of its proper divisors (418173214).

557564276 is a wasteful number, since it uses less digits than its factorization.

557564276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139391073 (or 139391071 counting only the distinct ones).

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

The square root of 557564276 is about 23612.7989869901. The cubic root of 557564276 is about 823.0602858318.

The spelling of 557564276 in words is "five hundred fifty-seven million, five hundred sixty-four thousand, two hundred seventy-six".