53644627 has 2 divisors, whose sum is σ = 53644628. Its totient is φ = 53644626.

The previous prime is 53644597. The next prime is 53644637. The reversal of 53644627 is 72644635.

53644627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53644627 - 2⁷ = 53644499 is a prime.

It is not a weakly prime, because it can be changed into another prime (53644637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26822313 + 26822314.

It is an arithmetic number, because the mean of its divisors is an integer number (26822314).

Almost surely, 2^53644627 is an apocalyptic number.

53644627 is a deficient number, since it is larger than the sum of its proper divisors (1).

53644627 is an equidigital number, since it uses as much as digits as its factorization.

53644627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 53644627 is about 7324.2492448032. The cubic root of 53644627 is about 377.1453377020.

It can be divided in two parts, 53 and 644627, that added together give a triangular number (644680 = T₁₁₃₅).

The spelling of 53644627 in words is "fifty-three million, six hundred forty-four thousand, six hundred twenty-seven".