56782441 has 2 divisors, whose sum is σ = 56782442. Its totient is φ = 56782440.

The previous prime is 56782409. The next prime is 56782459. The reversal of 56782441 is 14428765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56625625 + 156816 = 7525^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 56782441 - 2⁵ = 56782409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56782441.

It is not a weakly prime, because it can be changed into another prime (56788441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28391220 + 28391221.

It is an arithmetic number, because the mean of its divisors is an integer number (28391221).

Almost surely, 2^56782441 is an apocalyptic number.

It is an amenable number.

56782441 is a deficient number, since it is larger than the sum of its proper divisors (1).

56782441 is an equidigital number, since it uses as much as digits as its factorization.

56782441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 56782441 is about 7535.4124638270. The cubic root of 56782441 is about 384.3598537315.

The spelling of 56782441 in words is "fifty-six million, seven hundred eighty-two thousand, four hundred forty-one".