56301720 has 64 divisors (see below), whose sum is σ = 171072000. Its totient is φ = 14821248.

The previous prime is 56301649. The next prime is 56301737. The reversal of 56301720 is 2710365.

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

It is a congruent number.

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, 6511 + ... + 12449.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^56301720 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 56301720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85536000).

56301720 is an abundant number, since it is smaller than the sum of its proper divisors (114770280).

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

56301720 is a wasteful number, since it uses less digits than its factorization.

56301720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032 (or 6028 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 56301720 is about 7503.4472077839. The cubic root of 56301720 is about 383.2721128866.

The spelling of 56301720 in words is "fifty-six million, three hundred one thousand, seven hundred twenty".