53782638636 has 96 divisors (see below), whose sum is σ = 129944362240. Its totient is φ = 17300231424.

The previous prime is 53782638631. The next prime is 53782638641. The reversal of 53782638636 is 63683628735.

It is an interprime number because it is at equal distance from previous prime (53782638631) and next prime (53782638641).

It is not an unprimeable number, because it can be changed into a prime (53782638631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31213671 + ... + 31215393.

Almost surely, 2^53782638636 is an apocalyptic number.

It is an amenable number.

53782638636 is an abundant number, since it is smaller than the sum of its proper divisors (76161723604).

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

53782638636 is a wasteful number, since it uses less digits than its factorization.

53782638636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2301 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

Subtracting 53782638636 from its reverse (63683628735), we obtain a palindrome (9900990099).

The spelling of 53782638636 in words is "fifty-three billion, seven hundred eighty-two million, six hundred thirty-eight thousand, six hundred thirty-six".