557612 has 48 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 221760.

The previous prime is 557611. The next prime is 557633. The reversal of 557612 is 216755.

It is a super-2 number, since 2×557612² = 621862285088, which contains 22 as substring.

Its product of digits (2100) is a multiple of the sum of its prime divisors (84).

It is not an unprimeable number, because it can be changed into a prime (557611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19214 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2⁵⁵⁷⁶¹² is an apocalyptic number.

It is an amenable number.

557612 is an abundant number, since it is smaller than the sum of its proper divisors (651988).

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

557612 is a wasteful number, since it uses less digits than its factorization.

557612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 84 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 557612 is about 746.7342231343. The cubic root of 557612 is about 82.3083768092.

It can be divided in two parts, 55 and 7612, that added together give a palindrome (7667).

The spelling of 557612 in words is "five hundred fifty-seven thousand, six hundred twelve".