53630224 has 20 divisors (see below), whose sum is σ = 105613900. Its totient is φ = 26375040.

The previous prime is 53630207. The next prime is 53630249. The reversal of 53630224 is 42203635.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7661824 + 45968400 = 2768^2 + 6780^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26499 + ... + 28450.

It is an arithmetic number, because the mean of its divisors is an integer number (5280695).

Almost surely, 2^53630224 is an apocalyptic number.

It is an amenable number.

53630224 is a deficient number, since it is larger than the sum of its proper divisors (51983676).

53630224 is a wasteful number, since it uses less digits than its factorization.

53630224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55018 (or 55012 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53630224 is about 7323.2659380907. The cubic root of 53630224 is about 377.1115815378. Note that the first 3 decimals are identical.

Adding to 53630224 its reverse (42203635), we get a palindrome (95833859).

The spelling of 53630224 in words is "fifty-three million, six hundred thirty thousand, two hundred twenty-four".