52717397 has 4 divisors (see below), whose sum is σ = 52985196. Its totient is φ = 52449600.

The previous prime is 52717393. The next prime is 52717421. The reversal of 52717397 is 79371725.

52717397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24690961 + 28026436 = 4969^2 + 5294^2 .

It is a cyclic number.

It is not a de Polignac number, because 52717397 - 2² = 52717393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52717393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133604 + ... + 133997.

It is an arithmetic number, because the mean of its divisors is an integer number (13246299).

Almost surely, 2^52717397 is an apocalyptic number.

It is an amenable number.

52717397 is a deficient number, since it is larger than the sum of its proper divisors (267799).

52717397 is a wasteful number, since it uses less digits than its factorization.

52717397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267798.

The product of its digits is 92610, while the sum is 41.

The square root of 52717397 is about 7260.6746931673. The cubic root of 52717397 is about 374.9597515322.

The spelling of 52717397 in words is "fifty-two million, seven hundred seventeen thousand, three hundred ninety-seven".