52678522988 has 96 divisors (see below), whose sum is σ = 117233464320. Its totient is φ = 20158145280.

The previous prime is 52678522973. The next prime is 52678522991. The reversal of 52678522988 is 88922587625.

It is a self number, because there is not a number n which added to its sum of digits gives 52678522988.

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, 1350503 + ... + 1388961.

It is an arithmetic number, because the mean of its divisors is an integer number (1221181920).

Almost surely, 2^52678522988 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 52678522988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58616732160).

52678522988 is an abundant number, since it is smaller than the sum of its proper divisors (64554941332).

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

52678522988 is a wasteful number, since it uses less digits than its factorization.

52678522988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38607 (or 38605 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 62.

The spelling of 52678522988 in words is "fifty-two billion, six hundred seventy-eight million, five hundred twenty-two thousand, nine hundred eighty-eight".