56776227172543 has 8 divisors (see below), whose sum is σ = 57019834345968. Its totient is φ = 56533025674944.

The previous prime is 56776227172519. The next prime is 56776227172607. The reversal of 56776227172543 is 34527172267765.

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 a de Polignac number, because none of the positive numbers 2^k-56776227172543 is a prime.

It is a super-3 number, since 3×56776227172543³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56776227172843) 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, 101138446 + ... + 101698267.

It is an arithmetic number, because the mean of its divisors is an integer number (7127479293246).

Almost surely, 2^{56776227172543} is an apocalyptic number.

56776227172543 is a deficient number, since it is larger than the sum of its proper divisors (243607173425).

56776227172543 is a wasteful number, since it uses less digits than its factorization.

56776227172543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202837913.

The product of its digits is 207446400, while the sum is 64.

The spelling of 56776227172543 in words is "fifty-six trillion, seven hundred seventy-six billion, two hundred twenty-seven million, one hundred seventy-two thousand, five hundred forty-three".