53116493 has 2 divisors, whose sum is σ = 53116494. Its totient is φ = 53116492.

The previous prime is 53116477. The next prime is 53116529. The reversal of 53116493 is 39461135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 1247689 = 7202^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 53116493 - 2⁴ = 53116477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53116433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26558246 + 26558247.

It is an arithmetic number, because the mean of its divisors is an integer number (26558247).

Almost surely, 2^53116493 is an apocalyptic number.

It is an amenable number.

53116493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53116493 is an equidigital number, since it uses as much as digits as its factorization.

53116493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 53116493 is about 7288.1062698070. The cubic root of 53116493 is about 375.9035822077.

The spelling of 53116493 in words is "fifty-three million, one hundred sixteen thousand, four hundred ninety-three".