54064140 has 48 divisors (see below), whose sum is σ = 163026528. Its totient is φ = 13307904.

The previous prime is 54064133. The next prime is 54064151. The reversal of 54064140 is 4146045.

It is a self number, because there is not a number n which added to its sum of digits gives 54064140.

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, 33877 + ... + 35436.

It is an arithmetic number, because the mean of its divisors is an integer number (3396386).

Almost surely, 2^54064140 is an apocalyptic number.

It is an amenable number.

54064140 is an abundant number, since it is smaller than the sum of its proper divisors (108962388).

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

54064140 is a wasteful number, since it uses less digits than its factorization.

54064140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69338 (or 69336 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 54064140 is about 7352.8321074264. The cubic root of 54064140 is about 378.1259063794.

The spelling of 54064140 in words is "fifty-four million, sixty-four thousand, one hundred forty".