54087140 has 12 divisors (see below), whose sum is σ = 113583036. Its totient is φ = 21634848.

The previous prime is 54087139. The next prime is 54087151. The reversal of 54087140 is 4178045.

It can be written as a sum of positive squares in 2 ways, for example, as 12845056 + 41242084 = 3584^2 + 6422^2 .

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, 1352159 + ... + 1352198.

It is an arithmetic number, because the mean of its divisors is an integer number (9465253).

Almost surely, 2^54087140 is an apocalyptic number.

It is an amenable number.

54087140 is an abundant number, since it is smaller than the sum of its proper divisors (59495896).

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

54087140 is a wasteful number, since it uses less digits than its factorization.

54087140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704366 (or 2704364 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 54087140 is about 7354.3959643196. The cubic root of 54087140 is about 378.1795196300.

The spelling of 54087140 in words is "fifty-four million, eighty-seven thousand, one hundred forty".