557987532 has 48 divisors (see below), whose sum is σ = 1412201952. Its totient is φ = 170782720.

The previous prime is 557987531. The next prime is 557987533. The reversal of 557987532 is 235789755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (557987531) and next prime (557987533).

It is a super-2 number, since 2×557987532² = 622700171734902048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (557987531) 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, 24993 + ... + 41720.

It is an arithmetic number, because the mean of its divisors is an integer number (29420874).

Almost surely, 2^557987532 is an apocalyptic number.

It is an amenable number.

557987532 is an abundant number, since it is smaller than the sum of its proper divisors (854214420).

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

557987532 is a wasteful number, since it uses less digits than its factorization.

557987532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66778 (or 66776 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 51.

The square root of 557987532 is about 23621.7597142973. The cubic root of 557987532 is about 823.2684992502.

The spelling of 557987532 in words is "five hundred fifty-seven million, nine hundred eighty-seven thousand, five hundred thirty-two".