52812297 has 8 divisors (see below), whose sum is σ = 78240480. Its totient is φ = 35208180.

The previous prime is 52812293. The next prime is 52812341. The reversal of 52812297 is 79221825.

52812297 is a `hidden beast` number, since 528 + 122 + 9 + 7 = 666.

It is not a de Polignac number, because 52812297 - 2² = 52812293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52812293) 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, 977979 + ... + 978032.

It is an arithmetic number, because the mean of its divisors is an integer number (9780060).

Almost surely, 2^52812297 is an apocalyptic number.

It is an amenable number.

52812297 is a deficient number, since it is larger than the sum of its proper divisors (25428183).

52812297 is a wasteful number, since it uses less digits than its factorization.

52812297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956020 (or 1956014 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 52812297 is about 7267.2069600363. The cubic root of 52812297 is about 375.1846130998.

The spelling of 52812297 in words is "fifty-two million, eight hundred twelve thousand, two hundred ninety-seven".