56064420 has 96 divisors (see below), whose sum is σ = 178214400. Its totient is φ = 14632416.

The previous prime is 56064413. The next prime is 56064431. The reversal of 56064420 is 2446065.

It is a happy number.

56064420 is a `hidden beast` number, since 560 + 64 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1192837 + ... + 1192883.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^56064420 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 56064420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89107200).

56064420 is an abundant number, since it is smaller than the sum of its proper divisors (122149980).

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

56064420 is an equidigital number, since it uses as much as digits as its factorization.

56064420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 56064420 is about 7487.6177787064. The cubic root of 56064420 is about 382.7328839399.

It can be divided in two parts, 560 and 64420, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 56064420 in words is "fifty-six million, sixty-four thousand, four hundred twenty".