53321802897 has 24 divisors (see below), whose sum is σ = 82743419808. Its totient is φ = 30415285120.

The previous prime is 53321802851. The next prime is 53321802899. The reversal of 53321802897 is 79820812335.

It is a happy number.

It is not a de Polignac number, because 53321802897 - 2²⁶ = 53254694033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53321802899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4314183 + ... + 4326524.

It is an arithmetic number, because the mean of its divisors is an integer number (3447642492).

Almost surely, 2^53321802897 is an apocalyptic number.

It is an amenable number.

53321802897 is a deficient number, since it is larger than the sum of its proper divisors (29421616911).

53321802897 is a wasteful number, since it uses less digits than its factorization.

53321802897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640749 (or 8640738 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 53321802897 in words is "fifty-three billion, three hundred twenty-one million, eight hundred two thousand, eight hundred ninety-seven".