53315817852 has 96 divisors (see below), whose sum is σ = 142064713728. Its totient is φ = 15414840000.

The previous prime is 53315817847. The next prime is 53315817857. The reversal of 53315817852 is 25871851335.

It is an interprime number because it is at equal distance from previous prime (53315817847) and next prime (53315817857).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53315817857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198777 + ... + 382287.

It is an arithmetic number, because the mean of its divisors is an integer number (1479840768).

Almost surely, 2^53315817852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53315817852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71032356864).

53315817852 is an abundant number, since it is smaller than the sum of its proper divisors (88748895876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53315817852 is a wasteful number, since it uses less digits than its factorization.

53315817852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183631 (or 183629 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The spelling of 53315817852 in words is "fifty-three billion, three hundred fifteen million, eight hundred seventeen thousand, eight hundred fifty-two".