56667472532771 has 2 divisors, whose sum is σ = 56667472532772. Its totient is φ = 56667472532770.

The previous prime is 56667472532747. The next prime is 56667472532773. The reversal of 56667472532771 is 17723527476665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56667472532771 - 2³⁸ = 56392594625827 is a prime.

It is a super-2 number, since 2×56667472532771² (a number of 28 digits) contains 22 as substring.

Together with 56667472532773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56667472532773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28333736266385 + 28333736266386.

It is an arithmetic number, because the mean of its divisors is an integer number (28333736266386).

Almost surely, 2^{56667472532771} is an apocalyptic number.

56667472532771 is a deficient number, since it is larger than the sum of its proper divisors (1).

56667472532771 is an equidigital number, since it uses as much as digits as its factorization.

56667472532771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622339200, while the sum is 68.

The spelling of 56667472532771 in words is "fifty-six trillion, six hundred sixty-seven billion, four hundred seventy-two million, five hundred thirty-two thousand, seven hundred seventy-one".