53951717 has 2 divisors, whose sum is σ = 53951718. Its totient is φ = 53951716.

The previous prime is 53951701. The next prime is 53951731. The reversal of 53951717 is 71715935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44502241 + 9449476 = 6671^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 53951717 - 2⁴ = 53951701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53951747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26975858 + 26975859.

It is an arithmetic number, because the mean of its divisors is an integer number (26975859).

Almost surely, 2^53951717 is an apocalyptic number.

It is an amenable number.

53951717 is a deficient number, since it is larger than the sum of its proper divisors (1).

53951717 is an equidigital number, since it uses as much as digits as its factorization.

53951717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075, while the sum is 38.

The square root of 53951717 is about 7345.1832516282. The cubic root of 53951717 is about 377.8636281021.

The spelling of 53951717 in words is "fifty-three million, nine hundred fifty-one thousand, seven hundred seventeen".