5577136321 has 2 divisors, whose sum is σ = 5577136322. Its totient is φ = 5577136320.

The previous prime is 5577136307. The next prime is 5577136343. The reversal of 5577136321 is 1236317755.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4930146225 + 646990096 = 70215^2 + 25436^2 .

It is a cyclic number.

It is not a de Polignac number, because 5577136321 - 2⁵ = 5577136289 is a prime.

It is a super-2 number, since 2×5577136321² = 62208899086034830082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5577136391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788568160 + 2788568161.

It is an arithmetic number, because the mean of its divisors is an integer number (2788568161).

Almost surely, 2^5577136321 is an apocalyptic number.

It is an amenable number.

5577136321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5577136321 is an equidigital number, since it uses as much as digits as its factorization.

5577136321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 40.

The square root of 5577136321 is about 74680.2271086531. The cubic root of 5577136321 is about 1773.3879507608.

The spelling of 5577136321 in words is "five billion, five hundred seventy-seven million, one hundred thirty-six thousand, three hundred twenty-one".