52213650 has 48 divisors (see below), whose sum is σ = 129929184. Its totient is φ = 13876480.

The previous prime is 52213633. The next prime is 52213661. The reversal of 52213650 is 5631225.

It is a self number, because there is not a number n which added to its sum of digits gives 52213650.

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, 87754 + ... + 88346.

It is an arithmetic number, because the mean of its divisors is an integer number (2706858).

Almost surely, 2^52213650 is an apocalyptic number.

52213650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52213650 is an abundant number, since it is smaller than the sum of its proper divisors (77715534).

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

52213650 is a wasteful number, since it uses less digits than its factorization.

52213650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1190 counting only the distinct ones).

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

The square root of 52213650 is about 7225.9013278622. The cubic root of 52213650 is about 373.7616037232.

Adding to 52213650 its reverse (5631225), we get a palindrome (57844875).

The spelling of 52213650 in words is "fifty-two million, two hundred thirteen thousand, six hundred fifty".