55378118 has 16 divisors (see below), whose sum is σ = 84890400. Its totient is φ = 27086400.

The previous prime is 55378111. The next prime is 55378123. The reversal of 55378118 is 81187355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55378111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23138 + ... + 25418.

It is an arithmetic number, because the mean of its divisors is an integer number (5305650).

Almost surely, 2^55378118 is an apocalyptic number.

55378118 is a deficient number, since it is larger than the sum of its proper divisors (29512282).

55378118 is a wasteful number, since it uses less digits than its factorization.

55378118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its digits is 33600, while the sum is 38.

The square root of 55378118 is about 7441.6475326368. The cubic root of 55378118 is about 381.1647503380.

The spelling of 55378118 in words is "fifty-five million, three hundred seventy-eight thousand, one hundred eighteen".