53113717 has 4 divisors (see below), whose sum is σ = 53171820. Its totient is φ = 53055616.

The previous prime is 53113679. The next prime is 53113733. The reversal of 53113717 is 71731135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25140196 + 27973521 = 5014^2 + 5289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53113717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27658 + ... + 29515.

It is an arithmetic number, because the mean of its divisors is an integer number (13292955).

Almost surely, 2^53113717 is an apocalyptic number.

It is an amenable number.

53113717 is a deficient number, since it is larger than the sum of its proper divisors (58103).

53113717 is an equidigital number, since it uses as much as digits as its factorization.

53113717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58102.

The product of its digits is 2205, while the sum is 28.

The square root of 53113717 is about 7287.9158200407. The cubic root of 53113717 is about 375.8970335416.

The spelling of 53113717 in words is "fifty-three million, one hundred thirteen thousand, seven hundred seventeen".