55867318 has 16 divisors (see below), whose sum is σ = 90382320. Its totient is φ = 25746336.

The previous prime is 55867291. The next prime is 55867319. The reversal of 55867318 is 81376855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55867319) 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, 23488 + ... + 25756.

It is an arithmetic number, because the mean of its divisors is an integer number (5648895).

Almost surely, 2^55867318 is an apocalyptic number.

55867318 is a deficient number, since it is larger than the sum of its proper divisors (34515002).

55867318 is a wasteful number, since it uses less digits than its factorization.

55867318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 201600, while the sum is 43.

The square root of 55867318 is about 7474.4443271724. Note that the first 3 decimals coincide. The cubic root of 55867318 is about 382.2838410150.

It can be divided in two parts, 558 and 67318, that added together give a palindrome (67876).

The spelling of 55867318 in words is "fifty-five million, eight hundred sixty-seven thousand, three hundred eighteen".