55005204 has 24 divisors (see below), whose sum is σ = 129790080. Its totient is φ = 18128704.

The previous prime is 55005187. The next prime is 55005211. The reversal of 55005204 is 40250055.

It is a congruent number.

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, 24684 + ... + 26819.

It is an arithmetic number, because the mean of its divisors is an integer number (5407920).

Almost surely, 2^55005204 is an apocalyptic number.

It is an amenable number.

55005204 is an abundant number, since it is smaller than the sum of its proper divisors (74784876).

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

55005204 is a wasteful number, since it uses less digits than its factorization.

55005204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51599 (or 51597 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 55005204 is about 7416.5493324052. The cubic root of 55005204 is about 380.3072399794.

Adding to 55005204 its reverse (40250055), we get a palindrome (95255259).

The spelling of 55005204 in words is "fifty-five million, five thousand, two hundred four".