5456672766553 has 2 divisors, whose sum is σ = 5456672766554. Its totient is φ = 5456672766552.

The previous prime is 5456672766539. The next prime is 5456672766569. The reversal of 5456672766553 is 3556672766545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3707423168089 + 1749249598464 = 1925467^2 + 1322592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5456672766553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5456672766583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728336383276 + 2728336383277.

It is an arithmetic number, because the mean of its divisors is an integer number (2728336383277).

Almost surely, 2^{5456672766553} is an apocalyptic number.

It is an amenable number.

5456672766553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5456672766553 is an equidigital number, since it uses as much as digits as its factorization.

5456672766553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560000, while the sum is 67.

The spelling of 5456672766553 in words is "five trillion, four hundred fifty-six billion, six hundred seventy-two million, seven hundred sixty-six thousand, five hundred fifty-three".