49778788 has 12 divisors (see below), whose sum is σ = 92237292. Its totient is φ = 23425280.

The previous prime is 49778783. The next prime is 49778809. The reversal of 49778788 is 88787794.

49778788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 34786404 = 3872^2 + 5898^2 .

It is not an unprimeable number, because it can be changed into a prime (49778783) 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 3 ways as a sum of consecutive naturals, for example, 365953 + ... + 366088.

It is an arithmetic number, because the mean of its divisors is an integer number (7686441).

Almost surely, 2^49778788 is an apocalyptic number.

It is an amenable number.

49778788 is a deficient number, since it is larger than the sum of its proper divisors (42458504).

49778788 is a wasteful number, since it uses less digits than its factorization.

49778788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732062 (or 732060 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 58.

The square root of 49778788 is about 7055.4084219129. The cubic root of 49778788 is about 367.8590453398.

The spelling of 49778788 in words is "forty-nine million, seven hundred seventy-eight thousand, seven hundred eighty-eight".