53533524252 has 96 divisors (see below), whose sum is σ = 142619948800. Its totient is φ = 15492529152.

The previous prime is 53533524221. The next prime is 53533524323. The reversal of 53533524252 is 25242533535.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53533524252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347028 + ... + 476964.

Almost surely, 2^53533524252 is an apocalyptic number.

53533524252 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 53533524252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71309974400).

53533524252 is an abundant number, since it is smaller than the sum of its proper divisors (89086424548).

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

53533524252 is a wasteful number, since it uses less digits than its factorization.

53533524252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130115 (or 130113 counting only the distinct ones).

The product of its digits is 540000, while the sum is 39.

The spelling of 53533524252 in words is "fifty-three billion, five hundred thirty-three million, five hundred twenty-four thousand, two hundred fifty-two".