50428579905 has 48 divisors (see below), whose sum is σ = 95995972800. Its totient is φ = 24286089600.

The previous prime is 50428579879. The next prime is 50428579907. The reversal of 50428579905 is 50997582405.

It is not a de Polignac number, because 50428579905 - 2⁶ = 50428579841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50428579907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268111 + ... + 415620.

It is an arithmetic number, because the mean of its divisors is an integer number (1999916100).

Almost surely, 2^50428579905 is an apocalyptic number.

50428579905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50428579905 is a deficient number, since it is larger than the sum of its proper divisors (45567392895).

50428579905 is a wasteful number, since it uses less digits than its factorization.

50428579905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683902 (or 683899 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 50428579905 in words is "fifty billion, four hundred twenty-eight million, five hundred seventy-nine thousand, nine hundred five".