52557172 has 24 divisors (see below), whose sum is σ = 93277184. Its totient is φ = 25909632.

The previous prime is 52557157. The next prime is 52557179. The reversal of 52557172 is 27175525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155788 + ... + 156124.

Almost surely, 2^52557172 is an apocalyptic number.

It is an amenable number.

52557172 is a deficient number, since it is larger than the sum of its proper divisors (40720012).

52557172 is a wasteful number, since it uses less digits than its factorization.

52557172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its digits is 24500, while the sum is 34.

The square root of 52557172 is about 7249.6325424121. The cubic root of 52557172 is about 374.5794918967.

The spelling of 52557172 in words is "fifty-two million, five hundred fifty-seven thousand, one hundred seventy-two".