50027557778 has 16 divisors (see below), whose sum is σ = 83205299520. Its totient is φ = 22367014800.

The previous prime is 50027557757. The next prime is 50027557787. The reversal of 50027557778 is 87775572005.

It is a super-2 number, since 2×50027557778² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18637838 + ... + 18640521.

It is an arithmetic number, because the mean of its divisors is an integer number (5200331220).

Almost surely, 2^50027557778 is an apocalyptic number.

50027557778 is a deficient number, since it is larger than the sum of its proper divisors (33177741742).

50027557778 is a wasteful number, since it uses less digits than its factorization.

50027557778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37278433.

The product of its (nonzero) digits is 4802000, while the sum is 53.

The spelling of 50027557778 in words is "fifty billion, twenty-seven million, five hundred fifty-seven thousand, seven hundred seventy-eight".