56554468577 has 2 divisors, whose sum is σ = 56554468578. Its totient is φ = 56554468576.

The previous prime is 56554468567. The next prime is 56554468583. The reversal of 56554468577 is 77586445565.

56554468577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30175511521 + 26378957056 = 173711^2 + 162416^2 .

It is a cyclic number.

It is not a de Polignac number, because 56554468577 - 2²⁴ = 56537691361 is a prime.

It is not a weakly prime, because it can be changed into another prime (56554468567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277234288 + 28277234289.

It is an arithmetic number, because the mean of its divisors is an integer number (28277234289).

Almost surely, 2^56554468577 is an apocalyptic number.

It is an amenable number.

56554468577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554468577 is an equidigital number, since it uses as much as digits as its factorization.

56554468577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120000, while the sum is 62.

The spelling of 56554468577 in words is "fifty-six billion, five hundred fifty-four million, four hundred sixty-eight thousand, five hundred seventy-seven".