5445517771 has 2 divisors, whose sum is σ = 5445517772. Its totient is φ = 5445517770.

The previous prime is 5445517769. The next prime is 5445517813. The reversal of 5445517771 is 1777155445.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5445517771 - 2¹ = 5445517769 is a prime.

Together with 5445517769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5445517871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722758885 + 2722758886.

It is an arithmetic number, because the mean of its divisors is an integer number (2722758886).

Almost surely, 2^5445517771 is an apocalyptic number.

5445517771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445517771 is an equidigital number, since it uses as much as digits as its factorization.

5445517771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 686000, while the sum is 46.

The square root of 5445517771 is about 73793.7515715253. The cubic root of 5445517771 is about 1759.3262929163.

The spelling of 5445517771 in words is "five billion, four hundred forty-five million, five hundred seventeen thousand, seven hundred seventy-one".