56270780 has 48 divisors (see below), whose sum is σ = 125035680. Its totient is φ = 21212928.

The previous prime is 56270777. The next prime is 56270783. The reversal of 56270780 is 8707265.

It is an interprime number because it is at equal distance from previous prime (56270777) and next prime (56270783).

It is a self number, because there is not a number n which added to its sum of digits gives 56270780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56270783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141542 + ... + 141938.

It is an arithmetic number, because the mean of its divisors is an integer number (2604910).

Almost surely, 2^56270780 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 56270780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62517840).

56270780 is an abundant number, since it is smaller than the sum of its proper divisors (68764900).

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

56270780 is a wasteful number, since it uses less digits than its factorization.

56270780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 56270780 is about 7501.3852054137. The cubic root of 56270780 is about 383.2018923435.

The spelling of 56270780 in words is "fifty-six million, two hundred seventy thousand, seven hundred eighty".