54181790 has 32 divisors (see below), whose sum is σ = 109601856. Its totient is φ = 19134720.

The previous prime is 54181759. The next prime is 54181823. The reversal of 54181790 is 9718145.

It is a self number, because there is not a number n which added to its sum of digits gives 54181790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (3425058).

Almost surely, 2^54181790 is an apocalyptic number.

54181790 is an abundant number, since it is smaller than the sum of its proper divisors (55420066).

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

54181790 is a wasteful number, since it uses less digits than its factorization.

54181790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18164.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 54181790 is about 7360.8280784162. The cubic root of 54181790 is about 378.3999899804.

The spelling of 54181790 in words is "fifty-four million, one hundred eighty-one thousand, seven hundred ninety".