56705022 has 48 divisors (see below), whose sum is σ = 139007232. Its totient is φ = 17181720.

The previous prime is 56704997. The next prime is 56705039. The reversal of 56705022 is 22050765.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (2895984).

Almost surely, 2^56705022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56705022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69503616).

56705022 is an abundant number, since it is smaller than the sum of its proper divisors (82302210).

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

56705022 is a wasteful number, since it uses less digits than its factorization.

56705022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635 (or 10623 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 56705022 is about 7530.2737002051. The cubic root of 56705022 is about 384.1850914340.

Adding to 56705022 its reverse (22050765), we get a palindrome (78755787).

It can be divided in two parts, 56 and 705022, that added together give a triangular number (705078 = T₁₁₈₇).

The spelling of 56705022 in words is "fifty-six million, seven hundred five thousand, twenty-two".