53187427 has 2 divisors, whose sum is σ = 53187428. Its totient is φ = 53187426.

The previous prime is 53187401. The next prime is 53187457. The reversal of 53187427 is 72478135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53187427 - 2¹⁵ = 53154659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53187457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26593713 + 26593714.

It is an arithmetic number, because the mean of its divisors is an integer number (26593714).

Almost surely, 2^53187427 is an apocalyptic number.

53187427 is a deficient number, since it is larger than the sum of its proper divisors (1).

53187427 is an equidigital number, since it uses as much as digits as its factorization.

53187427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 53187427 is about 7292.9710680902. The cubic root of 53187427 is about 376.0708402627.

The spelling of 53187427 in words is "fifty-three million, one hundred eighty-seven thousand, four hundred twenty-seven".