52220352 has 28 divisors (see below), whose sum is σ = 138166856. Its totient is φ = 17406720.

The previous prime is 52220323. The next prime is 52220353. The reversal of 52220352 is 25302225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 135799 + ... + 136182.

Almost surely, 2^52220352 is an apocalyptic number.

It is an amenable number.

52220352 is an abundant number, since it is smaller than the sum of its proper divisors (85946504).

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

52220352 is a wasteful number, since it uses less digits than its factorization.

52220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271996 (or 271986 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52220352 is about 7226.3650613569. The cubic root of 52220352 is about 373.7775947083. Note that the first 3 decimals are identical.

Adding to 52220352 its reverse (25302225), we get a palindrome (77522577).

The spelling of 52220352 in words is "fifty-two million, two hundred twenty thousand, three hundred fifty-two".