53522250 has 32 divisors (see below), whose sum is σ = 133593408. Its totient is φ = 14272400.

The previous prime is 53522207. The next prime is 53522267. The reversal of 53522250 is 5222535.

53522250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53522250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34932 + ... + 36431.

It is an arithmetic number, because the mean of its divisors is an integer number (4174794).

Almost surely, 2^53522250 is an apocalyptic number.

53522250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53522250 is an abundant number, since it is smaller than the sum of its proper divisors (80071158).

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

53522250 is a wasteful number, since it uses less digits than its factorization.

53522250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71383 (or 71373 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53522250 is about 7315.8902397453. The cubic root of 53522250 is about 376.8583312898.

Adding to 53522250 its reverse (5222535), we get a palindrome (58744785).

The spelling of 53522250 in words is "fifty-three million, five hundred twenty-two thousand, two hundred fifty".