50911988354 has 16 divisors (see below), whose sum is σ = 77715398808. Its totient is φ = 25009569792.

The previous prime is 50911988329. The next prime is 50911988437. The reversal of 50911988354 is 45388911905.

It is a happy number.

50911988354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49726770025 + 1185218329 = 222995^2 + 34427^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50911988296 and 50911988305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640907 + ... + 715950.

Almost surely, 2^50911988354 is an apocalyptic number.

50911988354 is a deficient number, since it is larger than the sum of its proper divisors (26803410454).

50911988354 is a wasteful number, since it uses less digits than its factorization.

50911988354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357189.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 50911988354 in words is "fifty billion, nine hundred eleven million, nine hundred eighty-eight thousand, three hundred fifty-four".