53943034936 has 96 divisors (see below), whose sum is σ = 120091494240. Its totient is φ = 22641545472.

The previous prime is 53943034927. The next prime is 53943034967. The reversal of 53943034936 is 63943034935.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 53943034936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13440066 + ... + 13444078.

It is an arithmetic number, because the mean of its divisors is an integer number (1250953065).

Almost surely, 2^53943034936 is an apocalyptic number.

53943034936 is a gapful number since it is divisible by the number (56) 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 53943034936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60045747120).

53943034936 is an abundant number, since it is smaller than the sum of its proper divisors (66148459304).

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

53943034936 is a wasteful number, since it uses less digits than its factorization.

53943034936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 49.

Subtracting 53943034936 from its reverse (63943034935), we obtain a palindrome (9999999999).

The spelling of 53943034936 in words is "fifty-three billion, nine hundred forty-three million, thirty-four thousand, nine hundred thirty-six".