55530532 has 12 divisors (see below), whose sum is σ = 97512156. Its totient is φ = 27669920.

The previous prime is 55530529. The next prime is 55530577. The reversal of 55530532 is 23503555.

It can be written as a sum of positive squares in 2 ways, for example, as 51466276 + 4064256 = 7174^2 + 2016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55530532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22519 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (8126013).

Almost surely, 2^55530532 is an apocalyptic number.

It is an amenable number.

55530532 is a deficient number, since it is larger than the sum of its proper divisors (41981624).

55530532 is a wasteful number, since it uses less digits than its factorization.

55530532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47678 (or 47676 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 55530532 is about 7451.8811047949. The cubic root of 55530532 is about 381.5141159399.

The spelling of 55530532 in words is "fifty-five million, five hundred thirty thousand, five hundred thirty-two".