50404993928 has 16 divisors (see below), whose sum is σ = 94831925580. Its totient is φ = 25116480448.

The previous prime is 50404993927. The next prime is 50404993943. The reversal of 50404993928 is 82939940405.

It can be written as a sum of positive squares in 2 ways, for example, as 50381393764 + 23600164 = 224458^2 + 4858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50404993928.

It is not an unprimeable number, because it can be changed into a prime (50404993927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10749575 + ... + 10754262.

Almost surely, 2^50404993928 is an apocalyptic number.

It is an amenable number.

50404993928 is a deficient number, since it is larger than the sum of its proper divisors (44426931652).

50404993928 is a wasteful number, since it uses less digits than its factorization.

50404993928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21504136 (or 21504132 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 50404993928 in words is "fifty billion, four hundred four million, nine hundred ninety-three thousand, nine hundred twenty-eight".