50055502778 has 8 divisors (see below), whose sum is σ = 77505294720. Its totient is φ = 24220404540.

The previous prime is 50055502703. The next prime is 50055502789. The reversal of 50055502778 is 87720555005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403673348 + ... + 403673471.

It is an arithmetic number, because the mean of its divisors is an integer number (9688161840).

Almost surely, 2^50055502778 is an apocalyptic number.

50055502778 is a deficient number, since it is larger than the sum of its proper divisors (27449791942).

50055502778 is a wasteful number, since it uses less digits than its factorization.

50055502778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807346852.

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 50055502778 in words is "fifty billion, fifty-five million, five hundred two thousand, seven hundred seventy-eight".