49447788 has 48 divisors (see below), whose sum is σ = 124961760. Its totient is φ = 15128064.

The previous prime is 49447771. The next prime is 49447793. The reversal of 49447788 is 88774494.

49447788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49447788.

It is an unprimeable number.

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, 29928 + ... + 31536.

It is an arithmetic number, because the mean of its divisors is an integer number (2603370).

Almost surely, 2^49447788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49447788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62480880).

49447788 is an abundant number, since it is smaller than the sum of its proper divisors (75513972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49447788 is a wasteful number, since it uses less digits than its factorization.

49447788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1824 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 49447788 is about 7031.9121154918. The cubic root of 49447788 is about 367.0418818381.

The spelling of 49447788 in words is "forty-nine million, four hundred forty-seven thousand, seven hundred eighty-eight".