55968980 has 12 divisors (see below), whose sum is σ = 117534900. Its totient is φ = 22387584.

The previous prime is 55968967. The next prime is 55968989. The reversal of 55968980 is 8986955.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38763076 + 17205904 = 6226^2 + 4148^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55968989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1399205 + ... + 1399244.

It is an arithmetic number, because the mean of its divisors is an integer number (9794575).

Almost surely, 2^55968980 is an apocalyptic number.

It is an amenable number.

55968980 is an abundant number, since it is smaller than the sum of its proper divisors (61565920).

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

55968980 is a wasteful number, since it uses less digits than its factorization.

55968980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798458 (or 2798456 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 55968980 is about 7481.2418755177. The cubic root of 55968980 is about 382.5155816911.

The spelling of 55968980 in words is "fifty-five million, nine hundred sixty-eight thousand, nine hundred eighty".