55495874 has 8 divisors (see below), whose sum is σ = 95135808. Its totient is φ = 23783940.

The previous prime is 55495873. The next prime is 55495877. The reversal of 55495874 is 47859455.

It is a happy number.

55495874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55495873) 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, 1981982 + ... + 1982009.

It is an arithmetic number, because the mean of its divisors is an integer number (11891976).

Almost surely, 2^55495874 is an apocalyptic number.

55495874 is a deficient number, since it is larger than the sum of its proper divisors (39639934).

55495874 is a wasteful number, since it uses less digits than its factorization.

55495874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964000.

The product of its digits is 1008000, while the sum is 47.

The square root of 55495874 is about 7449.5552887404. Note that the first 3 decimals coincide. The cubic root of 55495874 is about 381.4347285738.

The spelling of 55495874 in words is "fifty-five million, four hundred ninety-five thousand, eight hundred seventy-four".