53731213736 has 32 divisors (see below), whose sum is σ = 101174486400. Its totient is φ = 26751531840.

The previous prime is 53731213733. The next prime is 53731213751. The reversal of 53731213736 is 63731213735.

It is a junction number, because it is equal to n+sod(n) for n = 53731213693 and 53731213702.

It is not an unprimeable number, because it can be changed into a prime (53731213733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2509685 + ... + 2531003.

It is an arithmetic number, because the mean of its divisors is an integer number (3161702700).

Almost surely, 2^53731213736 is an apocalyptic number.

It is an amenable number.

53731213736 is a deficient number, since it is larger than the sum of its proper divisors (47443272664).

53731213736 is a wasteful number, since it uses less digits than its factorization.

53731213736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22649 (or 22645 counting only the distinct ones).

The product of its digits is 238140, while the sum is 41.

Subtracting 53731213736 from its reverse (63731213735), we obtain a palindrome (9999999999).

The spelling of 53731213736 in words is "fifty-three billion, seven hundred thirty-one million, two hundred thirteen thousand, seven hundred thirty-six".