50121554042 has 12 divisors (see below), whose sum is σ = 87456997530. Its totient is φ = 21480665976.

The previous prime is 50121554027. The next prime is 50121554123. The reversal of 50121554042 is 24045512105.

It can be written as a sum of positive squares in only one way, i.e., 34730422321 + 15391131721 = 186361^2 + 124061^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50121553996 and 50121554014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255722117 + ... + 255722312.

Almost surely, 2^50121554042 is an apocalyptic number.

50121554042 is a deficient number, since it is larger than the sum of its proper divisors (37335443488).

50121554042 is a wasteful number, since it uses less digits than its factorization.

50121554042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511444445 (or 511444438 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 50121554042 in words is "fifty billion, one hundred twenty-one million, five hundred fifty-four thousand, forty-two".