49881543 has 8 divisors (see below), whose sum is σ = 68131056. Its totient is φ = 32443200.

The previous prime is 49881529. The next prime is 49881551. The reversal of 49881543 is 34518894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49881543 - 2⁴ = 49881527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49881495 and 49881504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49881443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202648 + ... + 202893.

It is an arithmetic number, because the mean of its divisors is an integer number (8516382).

Almost surely, 2^49881543 is an apocalyptic number.

49881543 is a deficient number, since it is larger than the sum of its proper divisors (18249513).

49881543 is a wasteful number, since it uses less digits than its factorization.

49881543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405585.

The product of its digits is 138240, while the sum is 42.

The square root of 49881543 is about 7062.6866700994. The cubic root of 49881543 is about 368.1119869281. Note that the first 3 decimals are identical.

The spelling of 49881543 in words is "forty-nine million, eight hundred eighty-one thousand, five hundred forty-three".