56636441 has 2 divisors, whose sum is σ = 56636442. Its totient is φ = 56636440.

The previous prime is 56636431. The next prime is 56636477. The reversal of 56636441 is 14463665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56625625 + 10816 = 7525^2 + 104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56636441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56636431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28318220 + 28318221.

It is an arithmetic number, because the mean of its divisors is an integer number (28318221).

Almost surely, 2^56636441 is an apocalyptic number.

It is an amenable number.

56636441 is a deficient number, since it is larger than the sum of its proper divisors (1).

56636441 is an equidigital number, since it uses as much as digits as its factorization.

56636441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 56636441 is about 7525.7186367815. The cubic root of 56636441 is about 384.0301467398.

The spelling of 56636441 in words is "fifty-six million, six hundred thirty-six thousand, four hundred forty-one".