55379918 has 8 divisors (see below), whose sum is σ = 90621720. Its totient is φ = 25172680.

The previous prime is 55379911. The next prime is 55379923. The reversal of 55379918 is 81997355.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55379911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258613 + ... + 1258656.

It is an arithmetic number, because the mean of its divisors is an integer number (11327715).

Almost surely, 2^55379918 is an apocalyptic number.

55379918 is a deficient number, since it is larger than the sum of its proper divisors (35241802).

55379918 is a wasteful number, since it uses less digits than its factorization.

55379918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517282.

The product of its digits is 340200, while the sum is 47.

The square root of 55379918 is about 7441.7684726146. The cubic root of 55379918 is about 381.1688800626.

It can be divided in two parts, 55 and 379918, that added together give a palindrome (379973).

The spelling of 55379918 in words is "fifty-five million, three hundred seventy-nine thousand, nine hundred eighteen".