55539874 has 16 divisors (see below), whose sum is σ = 89873280. Its totient is φ = 25589520.

The previous prime is 55539859. The next prime is 55539877. The reversal of 55539874 is 47893555.

It is not an unprimeable number, because it can be changed into a prime (55539877) 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, 17209 + ... + 20179.

It is an arithmetic number, because the mean of its divisors is an integer number (5617080).

Almost surely, 2^55539874 is an apocalyptic number.

55539874 is a deficient number, since it is larger than the sum of its proper divisors (34333406).

55539874 is a wasteful number, since it uses less digits than its factorization.

55539874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705.

The product of its digits is 756000, while the sum is 46.

The square root of 55539874 is about 7452.5079000294. The cubic root of 55539874 is about 381.5355090060.

The spelling of 55539874 in words is "fifty-five million, five hundred thirty-nine thousand, eight hundred seventy-four".