52178355850 has 96 divisors (see below), whose sum is σ = 106450329600. Its totient is φ = 18940185600.

The previous prime is 52178355773. The next prime is 52178355851. The reversal of 52178355850 is 5855387125.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52178355794 and 52178355803.

It is not an unprimeable number, because it can be changed into a prime (52178355851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35470615 + ... + 35472085.

It is an arithmetic number, because the mean of its divisors is an integer number (1108857600).

Almost surely, 2^52178355850 is an apocalyptic number.

52178355850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52178355850 is an abundant number, since it is smaller than the sum of its proper divisors (54271973750).

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

52178355850 is a wasteful number, since it uses less digits than its factorization.

52178355850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968 (or 2963 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 49.

The spelling of 52178355850 in words is "fifty-two billion, one hundred seventy-eight million, three hundred fifty-five thousand, eight hundred fifty".