55968940 has 24 divisors (see below), whose sum is σ = 117688032. Its totient is φ = 22358400.

The previous prime is 55968937. The next prime is 55968953. The reversal of 55968940 is 4986955.

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 7 ways as a sum of consecutive naturals, for example, 20665 + ... + 23215.

It is an arithmetic number, because the mean of its divisors is an integer number (4903668).

Almost surely, 2^55968940 is an apocalyptic number.

It is an amenable number.

55968940 is an abundant number, since it is smaller than the sum of its proper divisors (61719092).

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

55968940 is a wasteful number, since it uses less digits than its factorization.

55968940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 55968940 is about 7481.2392021643. The cubic root of 55968940 is about 382.5154905655.

The spelling of 55968940 in words is "fifty-five million, nine hundred sixty-eight thousand, nine hundred forty".