557772 has 24 divisors (see below), whose sum is σ = 1327536. Its totient is φ = 182208.

The previous prime is 557761. The next prime is 557779. The reversal of 557772 is 277755.

It is a super-2 number, since 2×557772² = 622219207968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557779) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (55314).

2⁵⁵⁷⁷⁷² is an apocalyptic number.

It is an amenable number.

557772 is an abundant number, since it is smaller than the sum of its proper divisors (769764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557772 is a wasteful number, since it uses less digits than its factorization.

557772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 935 counting only the distinct ones).

The product of its digits is 17150, while the sum is 33.

The square root of 557772 is about 746.8413486143. The cubic root of 557772 is about 82.3162485198.

The spelling of 557772 in words is "five hundred fifty-seven thousand, seven hundred seventy-two".