52997717 has 8 divisors (see below), whose sum is σ = 54316416. Its totient is φ = 51687072.

The previous prime is 52997713. The next prime is 52997719. The reversal of 52997717 is 71779925.

52997717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52997717 - 2² = 52997713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52997713) 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 7 ways as a sum of consecutive naturals, for example, 12593 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (6789552).

Almost surely, 2^52997717 is an apocalyptic number.

It is an amenable number.

52997717 is a deficient number, since it is larger than the sum of its proper divisors (1318699).

52997717 is a wasteful number, since it uses less digits than its factorization.

52997717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027.

The product of its digits is 277830, while the sum is 47.

The square root of 52997717 is about 7279.9530905082. The cubic root of 52997717 is about 375.6231818853.

The spelling of 52997717 in words is "fifty-two million, nine hundred ninety-seven thousand, seven hundred seventeen".