55625304 has 64 divisors (see below), whose sum is σ = 159494400. Its totient is φ = 15836544.

The previous prime is 55625303. The next prime is 55625347. The reversal of 55625304 is 40352655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55625303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78102 + ... + 78810.

It is an arithmetic number, because the mean of its divisors is an integer number (2492100).

Almost surely, 2^55625304 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 55625304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79747200).

55625304 is an abundant number, since it is smaller than the sum of its proper divisors (103869096).

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

55625304 is a wasteful number, since it uses less digits than its factorization.

55625304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55625304 is about 7458.2373252666. The cubic root of 55625304 is about 381.7310314802.

Adding to 55625304 its reverse (40352655), we get a palindrome (95977959).

The spelling of 55625304 in words is "fifty-five million, six hundred twenty-five thousand, three hundred four".