53208172 has 12 divisors (see below), whose sum is σ = 93732016. Its totient is φ = 26427600.

The previous prime is 53208163. The next prime is 53208173. The reversal of 53208172 is 27180235.

It is a super-2 number, since 2×53208172² = 5662219135163168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53208172.

It is not an unprimeable number, because it can be changed into a prime (53208173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43443 + ... + 44650.

Almost surely, 2^53208172 is an apocalyptic number.

It is an amenable number.

53208172 is a deficient number, since it is larger than the sum of its proper divisors (40523844).

53208172 is a wasteful number, since it uses less digits than its factorization.

53208172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88248 (or 88246 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53208172 is about 7294.3931892927. The cubic root of 53208172 is about 376.1197276029.

The spelling of 53208172 in words is "fifty-three million, two hundred eight thousand, one hundred seventy-two".