55551368 has 16 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 27184528.

The previous prime is 55551361. The next prime is 55551389. The reversal of 55551368 is 86315555.

55551368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55551361) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 73496 + ... + 74247.

It is an arithmetic number, because the mean of its divisors is an integer number (6648480).

Almost surely, 2^55551368 is an apocalyptic number.

It is an amenable number.

55551368 is a deficient number, since it is larger than the sum of its proper divisors (50824312).

55551368 is a wasteful number, since it uses less digits than its factorization.

55551368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147796 (or 147792 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 55551368 is about 7453.2790099392. The cubic root of 55551368 is about 381.5618268346.

The spelling of 55551368 in words is "fifty-five million, five hundred fifty-one thousand, three hundred sixty-eight".