56310253 has 2 divisors, whose sum is σ = 56310254. Its totient is φ = 56310252.

The previous prime is 56310251. The next prime is 56310269. The reversal of 56310253 is 35201365.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 2111209 = 7362^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 56310253 - 2¹ = 56310251 is a prime.

Together with 56310251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56310251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28155126 + 28155127.

It is an arithmetic number, because the mean of its divisors is an integer number (28155127).

Almost surely, 2^56310253 is an apocalyptic number.

It is an amenable number.

56310253 is a deficient number, since it is larger than the sum of its proper divisors (1).

56310253 is an equidigital number, since it uses as much as digits as its factorization.

56310253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 56310253 is about 7504.0157915612. The cubic root of 56310253 is about 383.2914746144.

It can be divided in two parts, 563 and 10253, that added together give a square (10816 = 104²).

The spelling of 56310253 in words is "fifty-six million, three hundred ten thousand, two hundred fifty-three".