53712689 has 2 divisors, whose sum is σ = 53712690. Its totient is φ = 53712688.

The previous prime is 53712679. The next prime is 53712713. The reversal of 53712689 is 98621735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 3869089 = 7060^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 53712689 - 2⁸ = 53712433 is a prime.

It is a super-2 number, since 2×53712689² = 5770105919221442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53712619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26856344 + 26856345.

It is an arithmetic number, because the mean of its divisors is an integer number (26856345).

Almost surely, 2^53712689 is an apocalyptic number.

It is an amenable number.

53712689 is a deficient number, since it is larger than the sum of its proper divisors (1).

53712689 is an equidigital number, since it uses as much as digits as its factorization.

53712689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 53712689 is about 7328.8941184875. The cubic root of 53712689 is about 377.3047722316.

The spelling of 53712689 in words is "fifty-three million, seven hundred twelve thousand, six hundred eighty-nine".