55328756 has 24 divisors (see below), whose sum is σ = 112062720. Its totient is φ = 23411232.

The previous prime is 55328747. The next prime is 55328771. The reversal of 55328756 is 65782355.

It is a super-2 number, since 2×55328756² = 6122542481015072, which contains 22 as substring.

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, 10295 + ... + 14718.

It is an arithmetic number, because the mean of its divisors is an integer number (4669280).

Almost surely, 2^55328756 is an apocalyptic number.

It is an amenable number.

55328756 is an abundant number, since it is smaller than the sum of its proper divisors (56733964).

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

55328756 is a wasteful number, since it uses less digits than its factorization.

55328756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25103 (or 25101 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 55328756 is about 7438.3301889604. The cubic root of 55328756 is about 381.0514646324.

The spelling of 55328756 in words is "fifty-five million, three hundred twenty-eight thousand, seven hundred fifty-six".