55251204 has 12 divisors (see below), whose sum is σ = 128919504. Its totient is φ = 18417064.

The previous prime is 55251193. The next prime is 55251227. The reversal of 55251204 is 40215255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2302122 + ... + 2302145.

It is an arithmetic number, because the mean of its divisors is an integer number (10743292).

Almost surely, 2^55251204 is an apocalyptic number.

It is an amenable number.

55251204 is an abundant number, since it is smaller than the sum of its proper divisors (73668300).

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

55251204 is a wasteful number, since it uses less digits than its factorization.

55251204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604274 (or 4604272 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 55251204 is about 7433.1153630224. The cubic root of 55251204 is about 380.8733467601.

Adding to 55251204 its reverse (40215255), we get a palindrome (95466459).

It can be divided in two parts, 55251 and 204, that added together give a palindrome (55455).

The spelling of 55251204 in words is "fifty-five million, two hundred fifty-one thousand, two hundred four".