55979788 has 6 divisors (see below), whose sum is σ = 97964636. Its totient is φ = 27989892.

The previous prime is 55979771. The next prime is 55979839. The reversal of 55979788 is 88797955.

55979788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997470 + ... + 6997477.

Almost surely, 2^55979788 is an apocalyptic number.

It is an amenable number.

55979788 is a deficient number, since it is larger than the sum of its proper divisors (41984848).

55979788 is a wasteful number, since it uses less digits than its factorization.

55979788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994951 (or 13994949 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 58.

The square root of 55979788 is about 7481.9641806146. The cubic root of 55979788 is about 382.5402022477.

The spelling of 55979788 in words is "fifty-five million, nine hundred seventy-nine thousand, seven hundred eighty-eight".