56782272 has 56 divisors (see below), whose sum is σ = 154316176. Its totient is φ = 18413568.

The previous prime is 56782259. The next prime is 56782273. The reversal of 56782272 is 27228765.

It is a self number, because there is not a number n which added to its sum of digits gives 56782272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56782273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108 + ... + 11100.

It is an arithmetic number, because the mean of its divisors is an integer number (2755646).

Almost surely, 2^56782272 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 56782272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77158088).

56782272 is an abundant number, since it is smaller than the sum of its proper divisors (97533904).

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

56782272 is a wasteful number, since it uses less digits than its factorization.

56782272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8035 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 56782272 is about 7535.4012500994. The cubic root of 56782272 is about 384.3594724113.

The spelling of 56782272 in words is "fifty-six million, seven hundred eighty-two thousand, two hundred seventy-two".