50778788 has 6 divisors (see below), whose sum is σ = 88862886. Its totient is φ = 25389392.

The previous prime is 50778709. The next prime is 50778817. The reversal of 50778788 is 88787705.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 5189284 = 6752^2 + 2278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347345 + ... + 6347352.

It is an arithmetic number, because the mean of its divisors is an integer number (14810481).

Almost surely, 2^50778788 is an apocalyptic number.

It is an amenable number.

50778788 is a deficient number, since it is larger than the sum of its proper divisors (38084098).

50778788 is a wasteful number, since it uses less digits than its factorization.

50778788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694701 (or 12694699 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 50.

The square root of 50778788 is about 7125.9236594283. The cubic root of 50778788 is about 370.3060239083.

The spelling of 50778788 in words is "fifty million, seven hundred seventy-eight thousand, seven hundred eighty-eight".