2553487641 has 6 divisors (see below), whose sum is σ = 3688371050. Its totient is φ = 1702325088.

The previous prime is 2553487603. The next prime is 2553487663. The reversal of 2553487641 is 1467843552.

2553487641 is a `hidden beast` number, since 2 + 5 + 534 + 8 + 76 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2115632016 + 437855625 = 45996^2 + 20925^2 .

It is not a de Polignac number, because 2553487641 - 2²² = 2549293337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553487681) 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, 141860416 + ... + 141860433.

Almost surely, 2^2553487641 is an apocalyptic number.

It is an amenable number.

2553487641 is a deficient number, since it is larger than the sum of its proper divisors (1134883409).

2553487641 is a wasteful number, since it uses less digits than its factorization.

2553487641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283720855 (or 283720852 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2553487641 is about 50532.0456839024. The cubic root of 2553487641 is about 1366.8197746835.

The spelling of 2553487641 in words is "two billion, five hundred fifty-three million, four hundred eighty-seven thousand, six hundred forty-one".