55992788 has 6 divisors (see below), whose sum is σ = 97987386. Its totient is φ = 27996392.

The previous prime is 55992773. The next prime is 55992799. The reversal of 55992788 is 88729955.

55992788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 5326864 = 7118^2 + 2308^2 .

It is a congruent number.

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, 6999095 + ... + 6999102.

It is an arithmetic number, because the mean of its divisors is an integer number (16331231).

Almost surely, 2^55992788 is an apocalyptic number.

It is an amenable number.

55992788 is a deficient number, since it is larger than the sum of its proper divisors (41994598).

55992788 is a wasteful number, since it uses less digits than its factorization.

55992788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998201 (or 13998199 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 53.

The square root of 55992788 is about 7482.8328860132. The cubic root of 55992788 is about 382.5698119688.

The spelling of 55992788 in words is "fifty-five million, nine hundred ninety-two thousand, seven hundred eighty-eight".