55517874 has 16 divisors (see below), whose sum is σ = 111160512. Its totient is φ = 18485168.

The previous prime is 55517843. The next prime is 55517881. The reversal of 55517874 is 47871555.

55517874 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 (42) 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, 1192 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (6947532).

Almost surely, 2^55517874 is an apocalyptic number.

55517874 is an abundant number, since it is smaller than the sum of its proper divisors (55642638).

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

55517874 is a wasteful number, since it uses less digits than its factorization.

55517874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401.

The product of its digits is 196000, while the sum is 42.

The square root of 55517874 is about 7451.0317406383. The cubic root of 55517874 is about 381.4851254459.

The spelling of 55517874 in words is "fifty-five million, five hundred seventeen thousand, eight hundred seventy-four".