56345671 has 4 divisors (see below), whose sum is σ = 57139344. Its totient is φ = 55552000.

The previous prime is 56345669. The next prime is 56345689. The reversal of 56345671 is 17654365.

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 56345671 - 2¹ = 56345669 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 56345671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345171) 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, 396730 + ... + 396871.

It is an arithmetic number, because the mean of its divisors is an integer number (14284836).

Almost surely, 2^56345671 is an apocalyptic number.

56345671 is a deficient number, since it is larger than the sum of its proper divisors (793673).

56345671 is an equidigital number, since it uses as much as digits as its factorization.

56345671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793672.

The product of its digits is 75600, while the sum is 37.

The square root of 56345671 is about 7506.3753569882. The cubic root of 56345671 is about 383.3718186104.

The spelling of 56345671 in words is "fifty-six million, three hundred forty-five thousand, six hundred seventy-one".