52216350 has 48 divisors (see below), whose sum is σ = 137120688. Its totient is φ = 13104640.

The previous prime is 52216349. The next prime is 52216403. The reversal of 52216350 is 5361225.

It is a self number, because there is not a number n which added to its sum of digits gives 52216350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7689 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (2856681).

Almost surely, 2^52216350 is an apocalyptic number.

52216350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52216350 is an abundant number, since it is smaller than the sum of its proper divisors (84904338).

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

52216350 is a wasteful number, since it uses less digits than its factorization.

52216350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20509 (or 20504 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 52216350 is about 7226.0881533510. The cubic root of 52216350 is about 373.7680460931.

Adding to 52216350 its reverse (5361225), we get a palindrome (57577575).

The spelling of 52216350 in words is "fifty-two million, two hundred sixteen thousand, three hundred fifty".