55919474 has 16 divisors (see below), whose sum is σ = 93246720. Its totient is φ = 24976080.

The previous prime is 55919441. The next prime is 55919483. The reversal of 55919474 is 47491955.

55919474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 in 7 ways as a sum of consecutive naturals, for example, 33884 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (5827920).

Almost surely, 2^55919474 is an apocalyptic number.

55919474 is a deficient number, since it is larger than the sum of its proper divisors (37327246).

55919474 is a wasteful number, since it uses less digits than its factorization.

55919474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69425.

The product of its digits is 226800, while the sum is 44.

The square root of 55919474 is about 7477.9324682696. The cubic root of 55919474 is about 382.4027668039.

The spelling of 55919474 in words is "fifty-five million, nine hundred nineteen thousand, four hundred seventy-four".