55378174 has 4 divisors (see below), whose sum is σ = 83067264. Its totient is φ = 27689086.

The previous prime is 55378157. The next prime is 55378177. The reversal of 55378174 is 47187355.

55378174 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55378177) 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 as a sum of consecutive naturals, namely, 13844542 + ... + 13844545.

It is an arithmetic number, because the mean of its divisors is an integer number (20766816).

Almost surely, 2^55378174 is an apocalyptic number.

55378174 is a deficient number, since it is larger than the sum of its proper divisors (27689090).

55378174 is a wasteful number, since it uses less digits than its factorization.

55378174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27689089.

The product of its digits is 117600, while the sum is 40.

The square root of 55378174 is about 7441.6512952435. The cubic root of 55378174 is about 381.1648788197.

The spelling of 55378174 in words is "fifty-five million, three hundred seventy-eight thousand, one hundred seventy-four".