2543545884 has 48 divisors (see below), whose sum is σ = 6815249280. Its totient is φ = 730203840.

The previous prime is 2543545883. The next prime is 2543545889. The reversal of 2543545884 is 4885453452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543545883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504579 + ... + 509594.

It is an arithmetic number, because the mean of its divisors is an integer number (141984360).

Almost surely, 2^2543545884 is an apocalyptic number.

It is an amenable number.

2543545884 is an abundant number, since it is smaller than the sum of its proper divisors (4271703396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543545884 is a wasteful number, since it uses less digits than its factorization.

2543545884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014210 (or 1014208 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 48.

The square root of 2543545884 is about 50433.5789330878. The cubic root of 2543545884 is about 1365.0436074034.

The spelling of 2543545884 in words is "two billion, five hundred forty-three million, five hundred forty-five thousand, eight hundred eighty-four".