557220052 has 12 divisors (see below), whose sum is σ = 975320500. Its totient is φ = 278557056.

The previous prime is 557220047. The next prime is 557220061. The reversal of 557220052 is 250022755.

It can be written as a sum of positive squares in 2 ways, for example, as 408282436 + 148937616 = 20206^2 + 12204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 557220052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19324 + ... + 38572.

Almost surely, 2^557220052 is an apocalyptic number.

It is an amenable number.

557220052 is a deficient number, since it is larger than the sum of its proper divisors (418100448).

557220052 is a wasteful number, since it uses less digits than its factorization.

557220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26490 (or 26488 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 557220052 is about 23605.5089332978. The cubic root of 557220052 is about 822.8908731201.

The spelling of 557220052 in words is "five hundred fifty-seven million, two hundred twenty thousand, fifty-two".