54140 has 12 divisors (see below), whose sum is σ = 113736. Its totient is φ = 21648.

The previous prime is 54139. The next prime is 54151. The reversal of 54140 is 4145.

It is a super-2 number, since 2×54140² = 5862279200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (9478).

2⁵⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

54140 is an abundant number, since it is smaller than the sum of its proper divisors (59596).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56868).

54140 is a wasteful number, since it uses less digits than its factorization.

54140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2714 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 54140 is about 232.6800378202. The cubic root of 54140 is about 37.8302679286.

Adding to 54140 its reverse (4145), we get a palindrome (58285).

The spelling of 54140 in words is "fifty-four thousand, one hundred forty".