56356441 has 2 divisors, whose sum is σ = 56356442. Its totient is φ = 56356440.

The previous prime is 56356423. The next prime is 56356453. The reversal of 56356441 is 14465365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 1166400 = 7429^2 + 1080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56356441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56356397 and 56356406.

It is not a weakly prime, because it can be changed into another prime (56356471) 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 as a sum of consecutive naturals, namely, 28178220 + 28178221.

It is an arithmetic number, because the mean of its divisors is an integer number (28178221).

Almost surely, 2^56356441 is an apocalyptic number.

It is an amenable number.

56356441 is a deficient number, since it is larger than the sum of its proper divisors (1).

56356441 is an equidigital number, since it uses as much as digits as its factorization.

56356441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 56356441 is about 7507.0927128949. The cubic root of 56356441 is about 383.3962431513.

The spelling of 56356441 in words is "fifty-six million, three hundred fifty-six thousand, four hundred forty-one".