56245493 has 2 divisors, whose sum is σ = 56245494. Its totient is φ = 56245492.

The previous prime is 56245459. The next prime is 56245507. The reversal of 56245493 is 39454265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55249489 + 996004 = 7433^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 56245493 - 2¹⁰ = 56244469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56245403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28122746 + 28122747.

It is an arithmetic number, because the mean of its divisors is an integer number (28122747).

Almost surely, 2^56245493 is an apocalyptic number.

It is an amenable number.

56245493 is a deficient number, since it is larger than the sum of its proper divisors (1).

56245493 is an equidigital number, since it uses as much as digits as its factorization.

56245493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 56245493 is about 7499.6995273144. The cubic root of 56245493 is about 383.1444825705.

The spelling of 56245493 in words is "fifty-six million, two hundred forty-five thousand, four hundred ninety-three".