56064540 has 96 divisors (see below), whose sum is σ = 185633280. Its totient is φ = 12370176.

The previous prime is 56064539. The next prime is 56064557. The reversal of 56064540 is 4546065.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 56064498 and 56064507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9879 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (1933680).

Almost surely, 2^56064540 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 56064540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92816640).

56064540 is an abundant number, since it is smaller than the sum of its proper divisors (129568740).

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

56064540 is a wasteful number, since it uses less digits than its factorization.

56064540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651 (or 4649 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 56064540 is about 7487.6257919316. The cubic root of 56064540 is about 382.7331570062.

The spelling of 56064540 in words is "fifty-six million, sixty-four thousand, five hundred forty".