55652232 has 16 divisors (see below), whose sum is σ = 139130640. Its totient is φ = 18550736.

The previous prime is 55652231. The next prime is 55652287. The reversal of 55652232 is 23225655.

It is a self number, because there is not a number n which added to its sum of digits gives 55652232.

It is not an unprimeable number, because it can be changed into a prime (55652231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159398 + ... + 1159445.

It is an arithmetic number, because the mean of its divisors is an integer number (8695665).

Almost surely, 2^55652232 is an apocalyptic number.

It is an amenable number.

55652232 is an abundant number, since it is smaller than the sum of its proper divisors (83478408).

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

55652232 is a wasteful number, since it uses less digits than its factorization.

55652232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318852 (or 2318848 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 55652232 is about 7460.0423591291. The cubic root of 55652232 is about 381.7926197276.

Adding to 55652232 its reverse (23225655), we get a palindrome (78877887).

The spelling of 55652232 in words is "fifty-five million, six hundred fifty-two thousand, two hundred thirty-two".