2554657443 has 12 divisors (see below), whose sum is σ = 3973911760. Its totient is φ = 1572096816.

The previous prime is 2554657423. The next prime is 2554657447. The reversal of 2554657443 is 3447564552.

2554657443 is a `hidden beast` number, since 2 + 554 + 6 + 57 + 4 + 43 = 666.

It is not a de Polignac number, because 2554657443 - 2¹² = 2554653347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554657447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10917223 + ... + 10917456.

Almost surely, 2^2554657443 is an apocalyptic number.

2554657443 is a deficient number, since it is larger than the sum of its proper divisors (1419254317).

2554657443 is a wasteful number, since it uses less digits than its factorization.

2554657443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21834698 (or 21834695 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 45.

The square root of 2554657443 is about 50543.6192115286. The cubic root of 2554657443 is about 1367.0284649964.

The spelling of 2554657443 in words is "two billion, five hundred fifty-four million, six hundred fifty-seven thousand, four hundred forty-three".