53705413 has 2 divisors, whose sum is σ = 53705414. Its totient is φ = 53705412.

The previous prime is 53705387. The next prime is 53705417. The reversal of 53705413 is 31450735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50722884 + 2982529 = 7122^2 + 1727^2 .

It is a cyclic number.

It is not a de Polignac number, because 53705413 - 2¹³ = 53697221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53705417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26852706 + 26852707.

It is an arithmetic number, because the mean of its divisors is an integer number (26852707).

Almost surely, 2^53705413 is an apocalyptic number.

It is an amenable number.

53705413 is a deficient number, since it is larger than the sum of its proper divisors (1).

53705413 is an equidigital number, since it uses as much as digits as its factorization.

53705413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 53705413 is about 7328.3977102775. The cubic root of 53705413 is about 377.2877347088.

The spelling of 53705413 in words is "fifty-three million, seven hundred five thousand, four hundred thirteen".