55539204 has 192 divisors, whose sum is σ = 174182400. Its totient is φ = 13381632.

The previous prime is 55539191. The next prime is 55539217. The reversal of 55539204 is 40293555.

55539204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55539191) and next prime (55539217).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 623992 + ... + 624080.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^55539204 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 55539204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87091200).

55539204 is an abundant number, since it is smaller than the sum of its proper divisors (118643196).

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

55539204 is a wasteful number, since it uses less digits than its factorization.

55539204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55539204 is about 7452.4629485828. The cubic root of 55539204 is about 381.5339747940.

It can be divided in two parts, 55539 and 204, that multiplied together give a square (11329956 = 3366²).

The spelling of 55539204 in words is "fifty-five million, five hundred thirty-nine thousand, two hundred four".