5705558891 has 2 divisors, whose sum is σ = 5705558892. Its totient is φ = 5705558890.

The previous prime is 5705558863. The next prime is 5705558899. The reversal of 5705558891 is 1988555075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5705558891 - 2²² = 5701364587 is a prime.

It is not a weakly prime, because it can be changed into another prime (5705558899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852779445 + 2852779446.

It is an arithmetic number, because the mean of its divisors is an integer number (2852779446).

Almost surely, 2^5705558891 is an apocalyptic number.

5705558891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5705558891 is an equidigital number, since it uses as much as digits as its factorization.

5705558891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520000, while the sum is 53.

The square root of 5705558891 is about 75535.1500362580. The cubic root of 5705558891 is about 1786.8964970401.

The spelling of 5705558891 in words is "five billion, seven hundred five million, five hundred fifty-eight thousand, eight hundred ninety-one".