5664477321553 has 2 divisors, whose sum is σ = 5664477321554. Its totient is φ = 5664477321552.

The previous prime is 5664477321467. The next prime is 5664477321589. The reversal of 5664477321553 is 3551237744665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5215157803584 + 449319517969 = 2283672^2 + 670313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5664477321553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5664477321653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832238660776 + 2832238660777.

It is an arithmetic number, because the mean of its divisors is an integer number (2832238660777).

Almost surely, 2^{5664477321553} is an apocalyptic number.

It is an amenable number.

5664477321553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664477321553 is an equidigital number, since it uses as much as digits as its factorization.

5664477321553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504000, while the sum is 58.

The spelling of 5664477321553 in words is "five trillion, six hundred sixty-four billion, four hundred seventy-seven million, three hundred twenty-one thousand, five hundred fifty-three".