5577424430821 has 12 divisors (see below), whose sum is σ = 5765374296612. Its totient is φ = 5395314889728.

The previous prime is 5577424430803. The next prime is 5577424430863. The reversal of 5577424430821 is 1280344247755.

It can be written as a sum of positive squares in 6 ways, for example, as 657257189796 + 4920167241025 = 810714^2 + 2218145^2 .

It is not a de Polignac number, because 5577424430821 - 2¹⁹ = 5577423906533 is a prime.

It is a super-2 number, since 2×5577424430821² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5577424430321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11537980 + ... + 12011653.

It is an arithmetic number, because the mean of its divisors is an integer number (480447858051).

Almost surely, 2^{5577424430821} is an apocalyptic number.

It is an amenable number.

5577424430821 is a deficient number, since it is larger than the sum of its proper divisors (187949865791).

5577424430821 is a wasteful number, since it uses less digits than its factorization.

5577424430821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23549880 (or 23549843 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 5577424430821 in words is "five trillion, five hundred seventy-seven billion, four hundred twenty-four million, four hundred thirty thousand, eight hundred twenty-one".