52751178636 has 96 divisors (see below), whose sum is σ = 140860198080. Its totient is φ = 15220998144.

The previous prime is 52751178631. The next prime is 52751178659. The reversal of 52751178636 is 63687115725.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (52751178631) 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, 698700 + ... + 770508.

It is an arithmetic number, because the mean of its divisors is an integer number (1467293730).

Almost surely, 2^52751178636 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 52751178636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70430099040).

52751178636 is an abundant number, since it is smaller than the sum of its proper divisors (88109019444).

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

52751178636 is a wasteful number, since it uses less digits than its factorization.

52751178636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72123 (or 72121 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The spelling of 52751178636 in words is "fifty-two billion, seven hundred fifty-one million, one hundred seventy-eight thousand, six hundred thirty-six".