53553222 has 24 divisors (see below), whose sum is σ = 116453064. Its totient is φ = 17786304.

The previous prime is 53553217. The next prime is 53553271. The reversal of 53553222 is 22235535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (4852211).

Almost surely, 2^53553222 is an apocalyptic number.

53553222 is an abundant number, since it is smaller than the sum of its proper divisors (62899842).

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

53553222 is a wasteful number, since it uses less digits than its factorization.

53553222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804 (or 10801 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 53553222 is about 7318.0066958155. The cubic root of 53553222 is about 376.9310101322.

Adding to 53553222 its reverse (22235535), we get a palindrome (75788757).

The spelling of 53553222 in words is "fifty-three million, five hundred fifty-three thousand, two hundred twenty-two".