2055447 has 6 divisors (see below), whose sum is σ = 2968992. Its totient is φ = 1370292.

The previous prime is 2055437. The next prime is 2055467. The reversal of 2055447 is 7445502.

It is not a de Polignac number, because 2055447 - 2⁸ = 2055191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2055447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114183 + ... + 114200.

It is an arithmetic number, because the mean of its divisors is an integer number (494832).

2^2055447 is an apocalyptic number.

2055447 is a deficient number, since it is larger than the sum of its proper divisors (913545).

2055447 is a wasteful number, since it uses less digits than its factorization.

2055447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228389 (or 228386 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2055447 is about 1433.6830193596. The cubic root of 2055447 is about 127.1458221274.

The spelling of 2055447 in words is "two million, fifty-five thousand, four hundred forty-seven".