53131769652 has 96 divisors (see below), whose sum is σ = 139382812800. Its totient is φ = 15639547392.

The previous prime is 53131769609. The next prime is 53131769659. The reversal of 53131769652 is 25696713135.

It is a super-2 number, since 2×53131769652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53131769659) 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, 439243 + ... + 546989.

It is an arithmetic number, because the mean of its divisors is an integer number (1451904300).

Almost surely, 2^53131769652 is an apocalyptic number.

53131769652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53131769652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69691406400).

53131769652 is an abundant number, since it is smaller than the sum of its proper divisors (86251043148).

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

53131769652 is a wasteful number, since it uses less digits than its factorization.

53131769652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107905 (or 107903 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

The spelling of 53131769652 in words is "fifty-three billion, one hundred thirty-one million, seven hundred sixty-nine thousand, six hundred fifty-two".