54065040 has 80 divisors (see below), whose sum is σ = 171203328. Its totient is φ = 14107648.

The previous prime is 54065027. The next prime is 54065107. The reversal of 54065040 is 4056045.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54065040.

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, 8884 + ... + 13676.

Almost surely, 2^54065040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54065040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85601664).

54065040 is an abundant number, since it is smaller than the sum of its proper divisors (117138288).

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

54065040 is a wasteful number, since it uses less digits than its factorization.

54065040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 4850 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54065040 is about 7352.8933080795. The cubic root of 54065040 is about 378.1280045751.

The spelling of 54065040 in words is "fifty-four million, sixty-five thousand, forty".