2555455 has 8 divisors (see below), whose sum is σ = 3504672. Its totient is φ = 1752288.

The previous prime is 2555453. The next prime is 2555459. The reversal of 2555455 is 5545552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555455 - 2¹ = 2555453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36472 + ... + 36541.

It is an arithmetic number, because the mean of its divisors is an integer number (438084).

2^2555455 is an apocalyptic number.

2555455 is a deficient number, since it is larger than the sum of its proper divisors (949217).

2555455 is an equidigital number, since it uses as much as digits as its factorization.

2555455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73025.

The product of its digits is 25000, while the sum is 31.

The square root of 2555455 is about 1598.5790565374. The cubic root of 2555455 is about 136.7170711032.

The spelling of 2555455 in words is "two million, five hundred fifty-five thousand, four hundred fifty-five".