56128710 has 64 divisors (see below), whose sum is σ = 148884480. Its totient is φ = 13428480.

The previous prime is 56128703. The next prime is 56128727. The reversal of 56128710 is 1782165.

56128710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24994 + ... + 27146.

It is an arithmetic number, because the mean of its divisors is an integer number (2326320).

Almost surely, 2^56128710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56128710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74442240).

56128710 is an abundant number, since it is smaller than the sum of its proper divisors (92755770).

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

56128710 is a wasteful number, since it uses less digits than its factorization.

56128710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 56128710 is about 7491.9096364011. The cubic root of 56128710 is about 382.8791234370.

The spelling of 56128710 in words is "fifty-six million, one hundred twenty-eight thousand, seven hundred ten".