53848636644 has 96 divisors (see below), whose sum is σ = 137786148864. Its totient is φ = 16232641920.

The previous prime is 53848636627. The next prime is 53848636691. The reversal of 53848636644 is 44663684835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37840917 + ... + 37842339.

It is an arithmetic number, because the mean of its divisors is an integer number (1435272384).

Almost surely, 2^53848636644 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 53848636644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68893074432).

53848636644 is an abundant number, since it is smaller than the sum of its proper divisors (83937512220).

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

53848636644 is a wasteful number, since it uses less digits than its factorization.

53848636644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2735 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 57.

The spelling of 53848636644 in words is "fifty-three billion, eight hundred forty-eight million, six hundred thirty-six thousand, six hundred forty-four".