52386187650 has 96 divisors (see below), whose sum is σ = 139106185920. Its totient is φ = 13000120320.

The previous prime is 52386187519. The next prime is 52386187691. The reversal of 52386187650 is 5678168325.

It is a happy number.

It is a super-3 number, since 3×52386187650³ (a number of 33 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 52386187593 and 52386187602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111537 + ... + 342363.

It is an arithmetic number, because the mean of its divisors is an integer number (1449022770).

Almost surely, 2^52386187650 is an apocalyptic number.

52386187650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52386187650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69553092960).

52386187650 is an abundant number, since it is smaller than the sum of its proper divisors (86719998270).

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

52386187650 is a wasteful number, since it uses less digits than its factorization.

52386187650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230948 (or 230943 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 52386187650 in words is "fifty-two billion, three hundred eighty-six million, one hundred eighty-seven thousand, six hundred fifty".