52550212 has 72 divisors (see below), whose sum is σ = 112154112. Its totient is φ = 21340800.

The previous prime is 52550209. The next prime is 52550221. The reversal of 52550212 is 21205525.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275037 + ... + 275227.

It is an arithmetic number, because the mean of its divisors is an integer number (1557696).

Almost surely, 2^52550212 is an apocalyptic number.

52550212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52550212 is an abundant number, since it is smaller than the sum of its proper divisors (59603900).

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

52550212 is a wasteful number, since it uses less digits than its factorization.

52550212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52550212 is about 7249.1525021895. The cubic root of 52550212 is about 374.5629563269.

Adding to 52550212 its reverse (21205525), we get a palindrome (73755737).

The spelling of 52550212 in words is "fifty-two million, five hundred fifty thousand, two hundred twelve".