49471881 has 16 divisors (see below), whose sum is σ = 67232256. Its totient is φ = 32351616.

The previous prime is 49471879. The next prime is 49471897. The reversal of 49471881 is 18817494.

49471881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49471881 - 2¹ = 49471879 is a prime.

It is a super-2 number, since 2×49471881² = 4894934019356322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49471831) 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 15 ways as a sum of consecutive naturals, for example, 48331 + ... + 49343.

It is an arithmetic number, because the mean of its divisors is an integer number (4202016).

Almost surely, 2^49471881 is an apocalyptic number.

It is an amenable number.

49471881 is a deficient number, since it is larger than the sum of its proper divisors (17760375).

49471881 is a wasteful number, since it uses less digits than its factorization.

49471881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its digits is 64512, while the sum is 42.

The square root of 49471881 is about 7033.6250255469. The cubic root of 49471881 is about 367.1014848022.

The spelling of 49471881 in words is "forty-nine million, four hundred seventy-one thousand, eight hundred eighty-one".