55012204 has 36 divisors (see below), whose sum is σ = 110401704. Its totient is φ = 23891712.

The previous prime is 55012171. The next prime is 55012219. The reversal of 55012204 is 40221055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9099 + ... + 13885.

It is an arithmetic number, because the mean of its divisors is an integer number (3066714).

Almost surely, 2^55012204 is an apocalyptic number.

It is an amenable number.

55012204 is an abundant number, since it is smaller than the sum of its proper divisors (55389500).

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

55012204 is a wasteful number, since it uses less digits than its factorization.

55012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 55012204 is about 7417.0212349703. The cubic root of 55012204 is about 380.3233720152.

Adding to 55012204 its reverse (40221055), we get a palindrome (95233259).

The spelling of 55012204 in words is "fifty-five million, twelve thousand, two hundred four".