5775989 has 2 divisors, whose sum is σ = 5775990. Its totient is φ = 5775988.

The previous prime is 5775983. The next prime is 5775997. The reversal of 5775989 is 9895775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4708900 + 1067089 = 2170^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 5775989 - 2¹² = 5771893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5775983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887994 + 2887995.

It is an arithmetic number, because the mean of its divisors is an integer number (2887995).

Almost surely, 2^5775989 is an apocalyptic number.

It is an amenable number.

5775989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5775989 is an equidigital number, since it uses as much as digits as its factorization.

5775989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 50.

The square root of 5775989 is about 2403.3287332365. The cubic root of 5775989 is about 179.4219004702.

The spelling of 5775989 in words is "five million, seven hundred seventy-five thousand, nine hundred eighty-nine".