56166771 has 8 divisors (see below), whose sum is σ = 74932624. Its totient is φ = 37422720.

The previous prime is 56166749. The next prime is 56166791. The reversal of 56166771 is 17766165.

56166771 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 not a de Polignac number, because 56166771 - 2¹¹ = 56164723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56166701) 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, 2031 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (9366578).

Almost surely, 2^56166771 is an apocalyptic number.

56166771 is a deficient number, since it is larger than the sum of its proper divisors (18765853).

56166771 is a wasteful number, since it uses less digits than its factorization.

56166771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901.

The product of its digits is 52920, while the sum is 39.

The square root of 56166771 is about 7494.4493460160. The cubic root of 56166771 is about 382.9656476039.

The spelling of 56166771 in words is "fifty-six million, one hundred sixty-six thousand, seven hundred seventy-one".