53767613 has 2 divisors, whose sum is σ = 53767614. Its totient is φ = 53767612.

The previous prime is 53767601. The next prime is 53767621. The reversal of 53767613 is 31676735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 17322244 = 6037^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 53767613 - 2¹⁰ = 53766589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53767913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26883806 + 26883807.

It is an arithmetic number, because the mean of its divisors is an integer number (26883807).

Almost surely, 2^53767613 is an apocalyptic number.

It is an amenable number.

53767613 is a deficient number, since it is larger than the sum of its proper divisors (1).

53767613 is an equidigital number, since it uses as much as digits as its factorization.

53767613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 38.

The square root of 53767613 is about 7332.6402475507. The cubic root of 53767613 is about 377.4333329635.

The spelling of 53767613 in words is "fifty-three million, seven hundred sixty-seven thousand, six hundred thirteen".