56146771 has 4 divisors (see below), whose sum is σ = 56308000. Its totient is φ = 55985544.

The previous prime is 56146763. The next prime is 56146781. The reversal of 56146771 is 17764165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56146771 - 2³ = 56146763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56146771.

It is not an unprimeable number, because it can be changed into a prime (56146721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80091 + ... + 80788.

It is an arithmetic number, because the mean of its divisors is an integer number (14077000).

Almost surely, 2^56146771 is an apocalyptic number.

56146771 is a deficient number, since it is larger than the sum of its proper divisors (161229).

56146771 is a wasteful number, since it uses less digits than its factorization.

56146771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161228.

The product of its digits is 35280, while the sum is 37.

The square root of 56146771 is about 7493.1149063657. The cubic root of 56146771 is about 382.9201864288.

The spelling of 56146771 in words is "fifty-six million, one hundred forty-six thousand, seven hundred seventy-one".