557972 has 6 divisors (see below), whose sum is σ = 976458. Its totient is φ = 278984.

The previous prime is 557927. The next prime is 557981. The reversal of 557972 is 279755.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 59536 = 706^2 + 244^2 .

It is a super-2 number, since 2×557972² = 622665505568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69743 + ... + 69750.

It is an arithmetic number, because the mean of its divisors is an integer number (162743).

2⁵⁵⁷⁹⁷² is an apocalyptic number.

It is an amenable number.

557972 is a deficient number, since it is larger than the sum of its proper divisors (418486).

557972 is a wasteful number, since it uses less digits than its factorization.

557972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139497 (or 139495 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 557972 is about 746.9752338599. The cubic root of 557972 is about 82.3260860415.

The spelling of 557972 in words is "five hundred fifty-seven thousand, nine hundred seventy-two".