56396171 has 4 divisors (see below), whose sum is σ = 60734352. Its totient is φ = 52057992.

The previous prime is 56396149. The next prime is 56396183. The reversal of 56396171 is 17169365.

56396171 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56396171 is a prime.

It is a super-2 number, since 2×56396171² = 6361056206922482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56396101) 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, 2169071 + ... + 2169096.

It is an arithmetic number, because the mean of its divisors is an integer number (15183588).

Almost surely, 2^56396171 is an apocalyptic number.

56396171 is a deficient number, since it is larger than the sum of its proper divisors (4338181).

56396171 is a wasteful number, since it uses less digits than its factorization.

56396171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338180.

The product of its digits is 34020, while the sum is 38.

The square root of 56396171 is about 7509.7384108902. The cubic root of 56396171 is about 383.4863171777.

The spelling of 56396171 in words is "fifty-six million, three hundred ninety-six thousand, one hundred seventy-one".