56523653 has 2 divisors, whose sum is σ = 56523654. Its totient is φ = 56523652.

The previous prime is 56523647. The next prime is 56523661. The reversal of 56523653 is 35632565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36747844 + 19775809 = 6062^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 56523653 - 2²⁴ = 39746437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56523683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261826 + 28261827.

It is an arithmetic number, because the mean of its divisors is an integer number (28261827).

Almost surely, 2^56523653 is an apocalyptic number.

It is an amenable number.

56523653 is a deficient number, since it is larger than the sum of its proper divisors (1).

56523653 is an equidigital number, since it uses as much as digits as its factorization.

56523653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 35.

The square root of 56523653 is about 7518.2213987086. The cubic root of 56523653 is about 383.7750531660.

The spelling of 56523653 in words is "fifty-six million, five hundred twenty-three thousand, six hundred fifty-three".