49881479 has 8 divisors (see below), whose sum is σ = 54318000. Its totient is φ = 45626112.

The previous prime is 49881473. The next prime is 49881487. The reversal of 49881479 is 97418894.

49881479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 49881479 - 2⁴ = 49881463 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 (49881473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44714 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (6789750).

Almost surely, 2^49881479 is an apocalyptic number.

49881479 is a deficient number, since it is larger than the sum of its proper divisors (4436521).

49881479 is a wasteful number, since it uses less digits than its factorization.

49881479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90577.

The product of its digits is 580608, while the sum is 50.

The square root of 49881479 is about 7062.6821392443. The cubic root of 49881479 is about 368.1118294939. Note that the first 3 decimals are identical.

The spelling of 49881479 in words is "forty-nine million, eight hundred eighty-one thousand, four hundred seventy-nine".