50390609908 has 36 divisors (see below), whose sum is σ = 94068434880. Its totient is φ = 23613880192.

The previous prime is 50390609903. The next prime is 50390609923. The reversal of 50390609908 is 80990609305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50390609903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185091 + ... + 367477.

It is an arithmetic number, because the mean of its divisors is an integer number (2613012080).

Almost surely, 2^50390609908 is an apocalyptic number.

It is an amenable number.

50390609908 is a deficient number, since it is larger than the sum of its proper divisors (43677824972).

50390609908 is a wasteful number, since it uses less digits than its factorization.

50390609908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182664 (or 182645 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 50390609908 in words is "fifty billion, three hundred ninety million, six hundred nine thousand, nine hundred eight".