2553455 has 4 divisors (see below), whose sum is σ = 3064152. Its totient is φ = 2042760.

The previous prime is 2553433. The next prime is 2553457. The reversal of 2553455 is 5543552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2553455 - 2¹² = 2549359 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 (2553457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255341 + ... + 255350.

It is an arithmetic number, because the mean of its divisors is an integer number (766038).

2^2553455 is an apocalyptic number.

2553455 is a deficient number, since it is larger than the sum of its proper divisors (510697).

2553455 is an equidigital number, since it uses as much as digits as its factorization.

2553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510696.

The product of its digits is 15000, while the sum is 29.

The square root of 2553455 is about 1597.9533785439. The cubic root of 2553455 is about 136.6813950681.

The spelling of 2553455 in words is "two million, five hundred fifty-three thousand, four hundred fifty-five".