5447837320553 has 2 divisors, whose sum is σ = 5447837320554. Its totient is φ = 5447837320552.

The previous prime is 5447837320451. The next prime is 5447837320561. The reversal of 5447837320553 is 3550237387445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429059539984 + 2018777780569 = 1851772^2 + 1420837^2 .

It is a cyclic number.

It is not a de Polignac number, because 5447837320553 - 2¹² = 5447837316457 is a prime.

It is not a weakly prime, because it can be changed into another prime (5447837329553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2723918660276 + 2723918660277.

It is an arithmetic number, because the mean of its divisors is an integer number (2723918660277).

Almost surely, 2^{5447837320553} is an apocalyptic number.

It is an amenable number.

5447837320553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5447837320553 is an equidigital number, since it uses as much as digits as its factorization.

5447837320553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 56.

The spelling of 5447837320553 in words is "five trillion, four hundred forty-seven billion, eight hundred thirty-seven million, three hundred twenty thousand, five hundred fifty-three".