53502222 has 32 divisors (see below), whose sum is σ = 110353824. Its totient is φ = 17280000.

The previous prime is 53502221. The next prime is 53502257. The reversal of 53502222 is 22220535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53502221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88722 + ... + 89322.

It is an arithmetic number, because the mean of its divisors is an integer number (3448557).

Almost surely, 2^53502222 is an apocalyptic number.

53502222 is an abundant number, since it is smaller than the sum of its proper divisors (56851602).

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

53502222 is a wasteful number, since it uses less digits than its factorization.

53502222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

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

The square root of 53502222 is about 7314.5213103798. The cubic root of 53502222 is about 376.8113186903.

Adding to 53502222 its reverse (22220535), we get a palindrome (75722757).

The spelling of 53502222 in words is "fifty-three million, five hundred two thousand, two hundred twenty-two".