5577128057 has 2 divisors, whose sum is σ = 5577128058. Its totient is φ = 5577128056.

The previous prime is 5577128009. The next prime is 5577128077. The reversal of 5577128057 is 7508217755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4730550841 + 846577216 = 68779^2 + 29096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5577128057 is a prime.

It is a super-2 number, since 2×5577128057² = 62208714728353190498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5577128077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788564028 + 2788564029.

It is an arithmetic number, because the mean of its divisors is an integer number (2788564029).

Almost surely, 2^5577128057 is an apocalyptic number.

It is an amenable number.

5577128057 is a deficient number, since it is larger than the sum of its proper divisors (1).

5577128057 is an equidigital number, since it uses as much as digits as its factorization.

5577128057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 686000, while the sum is 47.

The square root of 5577128057 is about 74680.1717793954. The cubic root of 5577128057 is about 1773.3870748462.

The spelling of 5577128057 in words is "five billion, five hundred seventy-seven million, one hundred twenty-eight thousand, fifty-seven".