56388253 has 2 divisors, whose sum is σ = 56388254. Its totient is φ = 56388252.

The previous prime is 56388239. The next prime is 56388281. The reversal of 56388253 is 35288365.

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., 30713764 + 25674489 = 5542^2 + 5067^2 .

It is a cyclic number.

It is not a de Polignac number, because 56388253 - 2⁵ = 56388221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56328253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28194126 + 28194127.

It is an arithmetic number, because the mean of its divisors is an integer number (28194127).

Almost surely, 2^56388253 is an apocalyptic number.

It is an amenable number.

56388253 is a deficient number, since it is larger than the sum of its proper divisors (1).

56388253 is an equidigital number, since it uses as much as digits as its factorization.

56388253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The square root of 56388253 is about 7509.2112102404. The cubic root of 56388253 is about 383.4683692288.

The spelling of 56388253 in words is "fifty-six million, three hundred eighty-eight thousand, two hundred fifty-three".