52622250 has 32 divisors (see below), whose sum is σ = 131347008. Its totient is φ = 14032400.

The previous prime is 52622243. The next prime is 52622263. The reversal of 52622250 is 5222625.

It is a self number, because there is not a number n which added to its sum of digits gives 52622250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34332 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (4104594).

Almost surely, 2^52622250 is an apocalyptic number.

52622250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52622250 is an abundant number, since it is smaller than the sum of its proper divisors (78724758).

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

52622250 is a wasteful number, since it uses less digits than its factorization.

52622250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70183 (or 70173 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52622250 is about 7254.1195192801. The cubic root of 52622250 is about 374.7340336319.

Adding to 52622250 its reverse (5222625), we get a palindrome (57844875).

The spelling of 52622250 in words is "fifty-two million, six hundred twenty-two thousand, two hundred fifty".