52399025850 has 24 divisors (see below), whose sum is σ = 129949584480. Its totient is φ = 13973073520.

The previous prime is 52399025843. The next prime is 52399025857. The reversal of 52399025850 is 5852099325.

It is an interprime number because it is at equal distance from previous prime (52399025843) and next prime (52399025857).

It is a self number, because there is not a number n which added to its sum of digits gives 52399025850.

It is not an unprimeable number, because it can be changed into a prime (52399025857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174663270 + ... + 174663569.

It is an arithmetic number, because the mean of its divisors is an integer number (5414566020).

Almost surely, 2^52399025850 is an apocalyptic number.

52399025850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52399025850 is an abundant number, since it is smaller than the sum of its proper divisors (77550558630).

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

52399025850 is a wasteful number, since it uses less digits than its factorization.

52399025850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349326854 (or 349326849 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 52399025850 in words is "fifty-two billion, three hundred ninety-nine million, twenty-five thousand, eight hundred fifty".