55548828 has 36 divisors (see below), whose sum is σ = 145618200. Its totient is φ = 18515952.

The previous prime is 55548817. The next prime is 55548863. The reversal of 55548828 is 82884555.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27603 + ... + 29546.

It is an arithmetic number, because the mean of its divisors is an integer number (4044950).

Almost surely, 2^55548828 is an apocalyptic number.

It is an amenable number.

55548828 is an abundant number, since it is smaller than the sum of its proper divisors (90069372).

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

55548828 is a wasteful number, since it uses less digits than its factorization.

55548828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57168 (or 57154 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The square root of 55548828 is about 7453.1086131895. The cubic root of 55548828 is about 381.5560113054.

The spelling of 55548828 in words is "fifty-five million, five hundred forty-eight thousand, eight hundred twenty-eight".