56493641 has 2 divisors, whose sum is σ = 56493642. Its totient is φ = 56493640.

The previous prime is 56493637. The next prime is 56493659. The reversal of 56493641 is 14639465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45630025 + 10863616 = 6755^2 + 3296^2 .

It is a cyclic number.

It is not a de Polignac number, because 56493641 - 2² = 56493637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56493595 and 56493604.

It is not a weakly prime, because it can be changed into another prime (56493341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28246820 + 28246821.

It is an arithmetic number, because the mean of its divisors is an integer number (28246821).

Almost surely, 2^56493641 is an apocalyptic number.

It is an amenable number.

56493641 is a deficient number, since it is larger than the sum of its proper divisors (1).

56493641 is an equidigital number, since it uses as much as digits as its factorization.

56493641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 56493641 is about 7516.2251828960. The cubic root of 56493641 is about 383.7071176180.

The spelling of 56493641 in words is "fifty-six million, four hundred ninety-three thousand, six hundred forty-one".