2555793 has 20 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 1684152.

The previous prime is 2555779. The next prime is 2555809. The reversal of 2555793 is 3975552.

It is not a de Polignac number, because 2555793 - 2⁹ = 2555281 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (47250) is a multiple of the sum of its prime factors (378).

It is not an unprimeable number, because it can be changed into a prime (2555753) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11146 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (193116).

2^2555793 is an apocalyptic number.

It is an amenable number.

2555793 is a deficient number, since it is larger than the sum of its proper divisors (1306527).

2555793 is a wasteful number, since it uses less digits than its factorization.

2555793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 369 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 2555793 is about 1598.6847719297. The cubic root of 2555793 is about 136.7230985142.

The spelling of 2555793 in words is "two million, five hundred fifty-five thousand, seven hundred ninety-three".