49884921 has 12 divisors (see below), whose sum is σ = 74380800. Its totient is φ = 32183640.

The previous prime is 49884911. The next prime is 49884929. The reversal of 49884921 is 12948894.

It is a de Polignac number, because none of the positive numbers 2^k-49884921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49884929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89121 + ... + 89678.

It is an arithmetic number, because the mean of its divisors is an integer number (6198400).

Almost surely, 2^49884921 is an apocalyptic number.

It is an amenable number.

49884921 is a deficient number, since it is larger than the sum of its proper divisors (24495879).

49884921 is a wasteful number, since it uses less digits than its factorization.

49884921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178836 (or 178833 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 49884921 is about 7062.9258101724. The cubic root of 49884921 is about 368.1202963090.

It can be divided in two parts, 49884 and 921, that added together give a palindrome (50805).

The spelling of 49884921 in words is "forty-nine million, eight hundred eighty-four thousand, nine hundred twenty-one".