52957197 has 6 divisors (see below), whose sum is σ = 76493742. Its totient is φ = 35304792.

The previous prime is 52957181. The next prime is 52957217. The reversal of 52957197 is 79175925.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 22553001 = 5514^2 + 4749^2 .

It is not a de Polignac number, because 52957197 - 2⁴ = 52957181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52957127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2942058 + ... + 2942075.

It is an arithmetic number, because the mean of its divisors is an integer number (12748957).

Almost surely, 2^52957197 is an apocalyptic number.

It is an amenable number.

52957197 is a deficient number, since it is larger than the sum of its proper divisors (23536545).

52957197 is a wasteful number, since it uses less digits than its factorization.

52957197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884139 (or 5884136 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 52957197 is about 7277.1695733987. The cubic root of 52957197 is about 375.5274285033.

The spelling of 52957197 in words is "fifty-two million, nine hundred fifty-seven thousand, one hundred ninety-seven".