49881824 has 12 divisors (see below), whose sum is σ = 98204904. Its totient is φ = 24940896.

The previous prime is 49881817. The next prime is 49881829. The reversal of 49881824 is 42818894.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49881829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779372 + ... + 779435.

It is an arithmetic number, because the mean of its divisors is an integer number (8183742).

Almost surely, 2^49881824 is an apocalyptic number.

It is an amenable number.

49881824 is a deficient number, since it is larger than the sum of its proper divisors (48323080).

49881824 is a wasteful number, since it uses less digits than its factorization.

49881824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558817 (or 1558809 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 49881824 is about 7062.7065633509. The cubic root of 49881824 is about 368.1126781609.

It can be divided in two parts, 49881 and 824, that added together give a palindrome (50705).

The spelling of 49881824 in words is "forty-nine million, eight hundred eighty-one thousand, eight hundred twenty-four".