5649977 has 2 divisors, whose sum is σ = 5649978. Its totient is φ = 5649976.

The previous prime is 5649953. The next prime is 5649997. The reversal of 5649977 is 7799465.

5649977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5400976 + 249001 = 2324^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649977 - 2⁶ = 5649913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5649907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824988 + 2824989.

It is an arithmetic number, because the mean of its divisors is an integer number (2824989).

Almost surely, 2^5649977 is an apocalyptic number.

It is an amenable number.

5649977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649977 is an equidigital number, since it uses as much as digits as its factorization.

5649977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 5649977 is about 2376.9680267097. The cubic root of 5649977 is about 178.1075077519.

The spelling of 5649977 in words is "five million, six hundred forty-nine thousand, nine hundred seventy-seven".