55528304 has 40 divisors (see below), whose sum is σ = 116450880. Its totient is φ = 25498368.

The previous prime is 55528271. The next prime is 55528331. The reversal of 55528304 is 40382555.

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, 49154 + ... + 50270.

It is an arithmetic number, because the mean of its divisors is an integer number (2911272).

Almost surely, 2^55528304 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 55528304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58225440).

55528304 is an abundant number, since it is smaller than the sum of its proper divisors (60922576).

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

55528304 is a wasteful number, since it uses less digits than its factorization.

55528304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55528304 is about 7451.7316108405. The cubic root of 55528304 is about 381.5090134927.

The spelling of 55528304 in words is "fifty-five million, five hundred twenty-eight thousand, three hundred four".