55100332 has 24 divisors (see below), whose sum is σ = 116684064. Its totient is φ = 22225152.

The previous prime is 55100321. The next prime is 55100369. The reversal of 55100332 is 23300155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57403 + ... + 58354.

It is an arithmetic number, because the mean of its divisors is an integer number (4861836).

Almost surely, 2^55100332 is an apocalyptic number.

It is an amenable number.

55100332 is an abundant number, since it is smaller than the sum of its proper divisors (61583732).

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

55100332 is a wasteful number, since it uses less digits than its factorization.

55100332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115785 (or 115783 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55100332 is about 7422.9597870391. The cubic root of 55100332 is about 380.5263527708.

Adding to 55100332 its reverse (23300155), we get a palindrome (78400487).

The spelling of 55100332 in words is "fifty-five million, one hundred thousand, three hundred thirty-two".