56165671 has 8 divisors (see below), whose sum is σ = 59547744. Its totient is φ = 52792320.

The previous prime is 56165657. The next prime is 56165677. The reversal of 56165671 is 17656165.

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 56165671 - 2²³ = 47777063 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 56165671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56165677) 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, 15031 + ... + 18391.

It is an arithmetic number, because the mean of its divisors is an integer number (7443468).

Almost surely, 2^56165671 is an apocalyptic number.

56165671 is a deficient number, since it is larger than the sum of its proper divisors (3382073).

56165671 is a wasteful number, since it uses less digits than its factorization.

56165671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361.

The product of its digits is 37800, while the sum is 37.

The square root of 56165671 is about 7494.3759580101. The cubic root of 56165671 is about 382.9631475198.

The spelling of 56165671 in words is "fifty-six million, one hundred sixty-five thousand, six hundred seventy-one".