56671722143 has 8 divisors (see below), whose sum is σ = 56971311120. Its totient is φ = 56372792320.

The previous prime is 56671722103. The next prime is 56671722187. The reversal of 56671722143 is 34122717665.

It is a happy number.

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 56671722143 - 2²⁶ = 56604613279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56671722094 and 56671722103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671722103) 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, 8096 + ... + 336762.

It is an arithmetic number, because the mean of its divisors is an integer number (7121413890).

Almost surely, 2^56671722143 is an apocalyptic number.

56671722143 is a deficient number, since it is larger than the sum of its proper divisors (299588977).

56671722143 is a wasteful number, since it uses less digits than its factorization.

56671722143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329577.

The product of its digits is 423360, while the sum is 44.

The spelling of 56671722143 in words is "fifty-six billion, six hundred seventy-one million, seven hundred twenty-two thousand, one hundred forty-three".