55645174 has 8 divisors (see below), whose sum is σ = 89888400. Its totient is φ = 25682376.

The previous prime is 55645169. The next prime is 55645207. The reversal of 55645174 is 47154655.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070074 + ... + 1070125.

It is an arithmetic number, because the mean of its divisors is an integer number (11236050).

Almost surely, 2^55645174 is an apocalyptic number.

55645174 is a deficient number, since it is larger than the sum of its proper divisors (34243226).

55645174 is a wasteful number, since it uses less digits than its factorization.

55645174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140214.

The product of its digits is 84000, while the sum is 37.

The square root of 55645174 is about 7459.5692905154. The cubic root of 55645174 is about 381.7764789779.

The spelling of 55645174 in words is "fifty-five million, six hundred forty-five thousand, one hundred seventy-four".