53230220 has 24 divisors (see below), whose sum is σ = 111939408. Its totient is φ = 21262400.

The previous prime is 53230217. The next prime is 53230231. The reversal of 53230220 is 2203235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18050 + ... + 20790.

It is an arithmetic number, because the mean of its divisors is an integer number (4664142).

Almost surely, 2^53230220 is an apocalyptic number.

It is an amenable number.

53230220 is an abundant number, since it is smaller than the sum of its proper divisors (58709188).

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

53230220 is a wasteful number, since it uses less digits than its factorization.

53230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53230220 is about 7295.9043305131. The cubic root of 53230220 is about 376.1716716451.

Adding to 53230220 its reverse (2203235), we get a palindrome (55433455).

The spelling of 53230220 in words is "fifty-three million, two hundred thirty thousand, two hundred twenty".