56232389 has 2 divisors, whose sum is σ = 56232390. Its totient is φ = 56232388.

The previous prime is 56232377. The next prime is 56232403. The reversal of 56232389 is 98323265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52780225 + 3452164 = 7265^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 56232389 - 2⁴ = 56232373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56234389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28116194 + 28116195.

It is an arithmetic number, because the mean of its divisors is an integer number (28116195).

Almost surely, 2^56232389 is an apocalyptic number.

It is an amenable number.

56232389 is a deficient number, since it is larger than the sum of its proper divisors (1).

56232389 is an equidigital number, since it uses as much as digits as its factorization.

56232389 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 56232389 is about 7498.8258414234. The cubic root of 56232389 is about 383.1147254292.

The spelling of 56232389 in words is "fifty-six million, two hundred thirty-two thousand, three hundred eighty-nine".