53879689 has 2 divisors, whose sum is σ = 53879690. Its totient is φ = 53879688.

The previous prime is 53879677. The next prime is 53879713. The reversal of 53879689 is 98697835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45118089 + 8761600 = 6717^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 53879689 - 2²⁵ = 20325257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53879389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26939844 + 26939845.

It is an arithmetic number, because the mean of its divisors is an integer number (26939845).

Almost surely, 2^53879689 is an apocalyptic number.

It is an amenable number.

53879689 is a deficient number, since it is larger than the sum of its proper divisors (1).

53879689 is an equidigital number, since it uses as much as digits as its factorization.

53879689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 53879689 is about 7340.2785369494. The cubic root of 53879689 is about 377.6953981625.

The spelling of 53879689 in words is "fifty-three million, eight hundred seventy-nine thousand, six hundred eighty-nine".