53248684236 has 144 divisors (see below), whose sum is σ = 142721937792. Its totient is φ = 15314803200.

The previous prime is 53248684193. The next prime is 53248684303. The reversal of 53248684236 is 63248684235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7405435 + ... + 7412621.

It is an arithmetic number, because the mean of its divisors is an integer number (991124568).

Almost surely, 2^53248684236 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 53248684236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71360968896).

53248684236 is an abundant number, since it is smaller than the sum of its proper divisors (89473253556).

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

53248684236 is a wasteful number, since it uses less digits than its factorization.

53248684236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 7281 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 51.

Subtracting 53248684236 from its reverse (63248684235), we obtain a palindrome (9999999999).

The spelling of 53248684236 in words is "fifty-three billion, two hundred forty-eight million, six hundred eighty-four thousand, two hundred thirty-six".