54181974 has 64 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 13458720.

The previous prime is 54181961. The next prime is 54181999. The reversal of 54181974 is 47918145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8077 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^54181974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54181974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70502400).

54181974 is an abundant number, since it is smaller than the sum of its proper divisors (86822826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54181974 is a wasteful number, since it uses less digits than its factorization.

54181974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145.

The product of its digits is 40320, while the sum is 39.

The square root of 54181974 is about 7360.8405769993. The cubic root of 54181974 is about 378.4004183256.

It can be divided in two parts, 54181 and 974, that added together give a palindrome (55155).

The spelling of 54181974 in words is "fifty-four million, one hundred eighty-one thousand, nine hundred seventy-four".