52997171 has 4 divisors (see below), whose sum is σ = 53050200. Its totient is φ = 52944144.

The previous prime is 52997149. The next prime is 52997179. The reversal of 52997171 is 17179925.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52997171 - 2⁶ = 52997107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52997179) 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, 24986 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (13262550).

Almost surely, 2^52997171 is an apocalyptic number.

52997171 is a deficient number, since it is larger than the sum of its proper divisors (53029).

52997171 is a wasteful number, since it uses less digits than its factorization.

52997171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53028.

The product of its digits is 39690, while the sum is 41.

The square root of 52997171 is about 7279.9155901700. The cubic root of 52997171 is about 375.6218919495.

The spelling of 52997171 in words is "fifty-two million, nine hundred ninety-seven thousand, one hundred seventy-one".