55628124 has 48 divisors (see below), whose sum is σ = 137289600. Its totient is φ = 17482176.

The previous prime is 55628113. The next prime is 55628129. The reversal of 55628124 is 42182655.

Its product of digits (19200) is a multiple of the sum of its prime divisors (1200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55628129) 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, 60879 + ... + 61785.

It is an arithmetic number, because the mean of its divisors is an integer number (2860200).

Almost surely, 2^55628124 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 55628124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68644800).

55628124 is an abundant number, since it is smaller than the sum of its proper divisors (81661476).

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

55628124 is a wasteful number, since it uses less digits than its factorization.

55628124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 55628124 is about 7458.4263755835. The cubic root of 55628124 is about 381.7374821615.

It can be divided in two parts, 556 and 28124, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 55628124 in words is "fifty-five million, six hundred twenty-eight thousand, one hundred twenty-four".