55299232 has 24 divisors (see below), whose sum is σ = 115275636. Its totient is φ = 26022912.

The previous prime is 55299191. The next prime is 55299241. The reversal of 55299232 is 23299255.

It can be written as a sum of positive squares in 2 ways, for example, as 44036496 + 11262736 = 6636^2 + 3356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55299191 and 55299200.

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, 50283 + ... + 51370.

Almost surely, 2^55299232 is an apocalyptic number.

It is an amenable number.

55299232 is an abundant number, since it is smaller than the sum of its proper divisors (59976404).

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

55299232 is a wasteful number, since it uses less digits than its factorization.

55299232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101680 (or 101672 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 55299232 is about 7436.3453389417. The cubic root of 55299232 is about 380.9836748975.

The spelling of 55299232 in words is "fifty-five million, two hundred ninety-nine thousand, two hundred thirty-two".