55437204 has 48 divisors (see below), whose sum is σ = 137543616. Its totient is φ = 17318400.

The previous prime is 55437203. The next prime is 55437209. The reversal of 55437204 is 40273455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55437203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67114 + ... + 67934.

It is an arithmetic number, because the mean of its divisors is an integer number (2865492).

Almost surely, 2^55437204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55437204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68771808).

55437204 is an abundant number, since it is smaller than the sum of its proper divisors (82106412).

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

55437204 is a wasteful number, since it uses less digits than its factorization.

55437204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 55437204 is about 7445.6164284766. The cubic root of 55437204 is about 381.3002641245.

The spelling of 55437204 in words is "fifty-five million, four hundred thirty-seven thousand, two hundred four".