52997289 has 8 divisors (see below), whose sum is σ = 74382240. Its totient is φ = 33471936.

The previous prime is 52997249. The next prime is 52997291. The reversal of 52997289 is 98279925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52997289 - 2¹⁵ = 52964521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52997249) 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, 464832 + ... + 464945.

It is an arithmetic number, because the mean of its divisors is an integer number (9297780).

Almost surely, 2^52997289 is an apocalyptic number.

It is an amenable number.

52997289 is a deficient number, since it is larger than the sum of its proper divisors (21384951).

52997289 is a wasteful number, since it uses less digits than its factorization.

52997289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929799.

The product of its digits is 816480, while the sum is 51.

The square root of 52997289 is about 7279.9236946550. The cubic root of 52997289 is about 375.6221707276.

The spelling of 52997289 in words is "fifty-two million, nine hundred ninety-seven thousand, two hundred eighty-nine".