53802689 has 4 divisors (see below), whose sum is σ = 53976000. Its totient is φ = 53629380.

The previous prime is 53802677. The next prime is 53802719. The reversal of 53802689 is 98620835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53802689 - 2¹² = 53798593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53802289) 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, 86189 + ... + 86810.

It is an arithmetic number, because the mean of its divisors is an integer number (13494000).

Almost surely, 2^53802689 is an apocalyptic number.

It is an amenable number.

53802689 is a deficient number, since it is larger than the sum of its proper divisors (173311).

53802689 is a wasteful number, since it uses less digits than its factorization.

53802689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173310.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 53802689 is about 7335.0316291070. The cubic root of 53802689 is about 377.5153896333.

The spelling of 53802689 in words is "fifty-three million, eight hundred two thousand, six hundred eighty-nine".