56710782 has 48 divisors (see below), whose sum is σ = 131040000. Its totient is φ = 17673552.

The previous prime is 56710781. The next prime is 56710813. The reversal of 56710782 is 28701765.

56710782 is a `hidden beast` number, since 567 + 10 + 7 + 82 = 666.

It is a super-2 number, since 2×56710782² = 6432225590103048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56710781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25969 + ... + 28067.

It is an arithmetic number, because the mean of its divisors is an integer number (2730000).

Almost surely, 2^56710782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56710782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520000).

56710782 is an abundant number, since it is smaller than the sum of its proper divisors (74329218).

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

56710782 is a wasteful number, since it uses less digits than its factorization.

56710782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 56710782 is about 7530.6561467113. The cubic root of 56710782 is about 384.1980992837.

The spelling of 56710782 in words is "fifty-six million, seven hundred ten thousand, seven hundred eighty-two".