2055679 has 2 divisors, whose sum is σ = 2055680. Its totient is φ = 2055678.

The previous prime is 2055673. The next prime is 2055689. The reversal of 2055679 is 9765502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2055679 - 2⁷ = 2055551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027839 + 1027840.

It is an arithmetic number, because the mean of its divisors is an integer number (1027840).

2^2055679 is an apocalyptic number.

2055679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055679 is an equidigital number, since it uses as much as digits as its factorization.

2055679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 2055679 is about 1433.7639275697. The cubic root of 2055679 is about 127.1506056321.

The spelling of 2055679 in words is "two million, fifty-five thousand, six hundred seventy-nine".