56265389 has 2 divisors, whose sum is σ = 56265390. Its totient is φ = 56265388.

The previous prime is 56265373. The next prime is 56265397. The reversal of 56265389 is 98356265.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 21949225 = 5858^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 56265389 - 2⁴ = 56265373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56265329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28132694 + 28132695.

It is an arithmetic number, because the mean of its divisors is an integer number (28132695).

Almost surely, 2^56265389 is an apocalyptic number.

It is an amenable number.

56265389 is a deficient number, since it is larger than the sum of its proper divisors (1).

56265389 is an equidigital number, since it uses as much as digits as its factorization.

56265389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 56265389 is about 7501.0258631736. The cubic root of 56265389 is about 383.1896544504.

The spelling of 56265389 in words is "fifty-six million, two hundred sixty-five thousand, three hundred eighty-nine".