53214439 has 2 divisors, whose sum is σ = 53214440. Its totient is φ = 53214438.

The previous prime is 53214431. The next prime is 53214443. The reversal of 53214439 is 93441235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53214439 - 2³ = 53214431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53214439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53214431) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607219 + 26607220.

It is an arithmetic number, because the mean of its divisors is an integer number (26607220).

Almost surely, 2^53214439 is an apocalyptic number.

53214439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53214439 is an equidigital number, since it uses as much as digits as its factorization.

53214439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 53214439 is about 7294.8227531586. The cubic root of 53214439 is about 376.1344938171.

The spelling of 53214439 in words is "fifty-three million, two hundred fourteen thousand, four hundred thirty-nine".