53734643736 has 64 divisors (see below), whose sum is σ = 143517590400. Its totient is φ = 16715559168.

The previous prime is 53734643731. The next prime is 53734643777. The reversal of 53734643736 is 63734643735.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53734643731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848845 + ... + 909948.

It is an arithmetic number, because the mean of its divisors is an integer number (2242462350).

Almost surely, 2^53734643736 is an apocalyptic number.

It is an amenable number.

53734643736 is an abundant number, since it is smaller than the sum of its proper divisors (89782946664).

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

53734643736 is a wasteful number, since it uses less digits than its factorization.

53734643736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758888 (or 1758884 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 51.

Subtracting 53734643736 from its reverse (63734643735), we obtain a palindrome (9999999999).

The spelling of 53734643736 in words is "fifty-three billion, seven hundred thirty-four million, six hundred forty-three thousand, seven hundred thirty-six".