56771 has 8 divisors (see below), whose sum is σ = 66864. Its totient is φ = 47520.

The previous prime is 56767. The next prime is 56773. The reversal of 56771 is 17765.

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

It is not a de Polignac number, because 56771 - 2² = 56767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a nialpdrome in base 16.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 56771.

It is not an unprimeable number, because it can be changed into a prime (56773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (8358).

2⁵⁶⁷⁷¹ is an apocalyptic number.

56771 is a deficient number, since it is larger than the sum of its proper divisors (10093).

56771 is a wasteful number, since it uses less digits than its factorization.

56771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its digits is 1470, while the sum is 26.

The square root of 56771 is about 238.2666573400. The cubic root of 56771 is about 38.4334037321.

It can be divided in two parts, 5 and 6771, that added together give a palindrome (6776).

The spelling of 56771 in words is "fifty-six thousand, seven hundred seventy-one".