5544664457 has 2 divisors, whose sum is σ = 5544664458. Its totient is φ = 5544664456.

The previous prime is 5544664453. The next prime is 5544664459. The reversal of 5544664457 is 7544664455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3876432121 + 1668232336 = 62261^2 + 40844^2 .

It is a cyclic number.

It is not a de Polignac number, because 5544664457 - 2² = 5544664453 is a prime.

Together with 5544664459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5544664453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772332228 + 2772332229.

It is an arithmetic number, because the mean of its divisors is an integer number (2772332229).

Almost surely, 2^5544664457 is an apocalyptic number.

It is an amenable number.

5544664457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544664457 is an equidigital number, since it uses as much as digits as its factorization.

5544664457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 50.

The square root of 5544664457 is about 74462.5036981701. The cubic root of 5544664457 is about 1769.9395062688.

The spelling of 5544664457 in words is "five billion, five hundred forty-four million, six hundred sixty-four thousand, four hundred fifty-seven".