56197317 has 8 divisors (see below), whose sum is σ = 81741600. Its totient is φ = 34058960.

The previous prime is 56197279. The next prime is 56197319. The reversal of 56197317 is 71379165.

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 56197317 - 2¹⁶ = 56131781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56197319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851442 + ... + 851507.

It is an arithmetic number, because the mean of its divisors is an integer number (10217700).

Almost surely, 2^56197317 is an apocalyptic number.

It is an amenable number.

56197317 is a deficient number, since it is larger than the sum of its proper divisors (25544283).

56197317 is a wasteful number, since it uses less digits than its factorization.

56197317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702963.

The product of its digits is 39690, while the sum is 39.

The square root of 56197317 is about 7496.4869772447. The cubic root of 56197317 is about 383.0350596333.

The spelling of 56197317 in words is "fifty-six million, one hundred ninety-seven thousand, three hundred seventeen".