53494817 has 2 divisors, whose sum is σ = 53494818. Its totient is φ = 53494816.

The previous prime is 53494787. The next prime is 53494829. The reversal of 53494817 is 71849435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 7268416 = 6799^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 53494817 - 2¹⁰ = 53493793 is a prime.

It is not a weakly prime, because it can be changed into another prime (53494867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26747408 + 26747409.

It is an arithmetic number, because the mean of its divisors is an integer number (26747409).

Almost surely, 2^53494817 is an apocalyptic number.

It is an amenable number.

53494817 is a deficient number, since it is larger than the sum of its proper divisors (1).

53494817 is an equidigital number, since it uses as much as digits as its factorization.

53494817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 53494817 is about 7314.0151079964. The cubic root of 53494817 is about 376.7939336394.

The spelling of 53494817 in words is "fifty-three million, four hundred ninety-four thousand, eight hundred seventeen".