55980324 has 81 divisors (see below), whose sum is σ = 150041073. Its totient is φ = 17597664.

The previous prime is 55980317. The next prime is 55980341. The reversal of 55980324 is 42308955.

The square root of 55980324 is 7482.

It is a perfect power (a square), and thus also a powerful number.

55980324 is a `hidden beast` number, since 559 + 80 + 3 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29354724 + 26625600 = 5418^2 + 5160^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 1301847 + ... + 1301889.

Almost surely, 2^55980324 is an apocalyptic number.

55980324 is the 7482-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55980324

55980324 is an abundant number, since it is smaller than the sum of its proper divisors (94060749).

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

55980324 is a wasteful number, since it uses less digits than its factorization.

55980324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The cubic root of 55980324 is about 382.5414231699.

Multiplying 55980324 by its sum of digits (36), we get a square (2015291664 = 44892²).

55980324 divided by its sum of digits (36) gives a square (1555009 = 1247²).

The spelling of 55980324 in words is "fifty-five million, nine hundred eighty thousand, three hundred twenty-four".