53812689 has 16 divisors (see below), whose sum is σ = 84217728. Its totient is φ = 29918592.

The previous prime is 53812687. The next prime is 53812711. The reversal of 53812689 is 98621835.

It is not a de Polignac number, because 53812689 - 2¹ = 53812687 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53812689.

It is not an unprimeable number, because it can be changed into a prime (53812687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33852 + ... + 35405.

It is an arithmetic number, because the mean of its divisors is an integer number (5263608).

Almost surely, 2^53812689 is an apocalyptic number.

It is an amenable number.

53812689 is a deficient number, since it is larger than the sum of its proper divisors (30405039).

53812689 is a wasteful number, since it uses less digits than its factorization.

53812689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69304.

The product of its digits is 103680, while the sum is 42.

The square root of 53812689 is about 7335.7132577548. The cubic root of 53812689 is about 377.5387770643.

The spelling of 53812689 in words is "fifty-three million, eight hundred twelve thousand, six hundred eighty-nine".