53154239 has 2 divisors, whose sum is σ = 53154240. Its totient is φ = 53154238.

The previous prime is 53154217. The next prime is 53154253. The reversal of 53154239 is 93245135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53154239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53154259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26577119 + 26577120.

It is an arithmetic number, because the mean of its divisors is an integer number (26577120).

Almost surely, 2^53154239 is an apocalyptic number.

53154239 is a deficient number, since it is larger than the sum of its proper divisors (1).

53154239 is an equidigital number, since it uses as much as digits as its factorization.

53154239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 53154239 is about 7290.6953714992. The cubic root of 53154239 is about 375.9926035025.

The spelling of 53154239 in words is "fifty-three million, one hundred fifty-four thousand, two hundred thirty-nine".