2553042453503 has 4 divisors (see below), whose sum is σ = 2553762232200. Its totient is φ = 2552322674808.

The previous prime is 2553042453497. The next prime is 2553042453527. The reversal of 2553042453503 is 3053542403552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2553042453503 - 2¹² = 2553042449407 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 (2553042453583) 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, 359884028 + ... + 359891121.

It is an arithmetic number, because the mean of its divisors is an integer number (638440558050).

Almost surely, 2^{2553042453503} is an apocalyptic number.

2553042453503 is a deficient number, since it is larger than the sum of its proper divisors (719778697).

2553042453503 is an equidigital number, since it uses as much as digits as its factorization.

2553042453503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719778696.

The product of its (nonzero) digits is 1080000, while the sum is 41.

The spelling of 2553042453503 in words is "two trillion, five hundred fifty-three billion, forty-two million, four hundred fifty-three thousand, five hundred three".