56522511673 has 4 divisors (see below), whose sum is σ = 56540227968. Its totient is φ = 56504795380.

The previous prime is 56522511641. The next prime is 56522511697. The reversal of 56522511673 is 37611522565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37611522565 = 5 ⋅7522304513.

It is a cyclic number.

It is not a de Polignac number, because 56522511673 - 2⁵ = 56522511641 is a prime.

It is a super-3 number, since 3×56522511673³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56522211673) 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, 8853361 + ... + 8859742.

It is an arithmetic number, because the mean of its divisors is an integer number (14135056992).

Almost surely, 2^56522511673 is an apocalyptic number.

It is an amenable number.

56522511673 is a deficient number, since it is larger than the sum of its proper divisors (17716295).

56522511673 is a wasteful number, since it uses less digits than its factorization.

56522511673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17716294.

The product of its digits is 378000, while the sum is 43.

The spelling of 56522511673 in words is "fifty-six billion, five hundred twenty-two million, five hundred eleven thousand, six hundred seventy-three".