50563698458 has 48 divisors (see below), whose sum is σ = 96150753216. Its totient is φ = 19515300480.

The previous prime is 50563698431. The next prime is 50563698487. The reversal of 50563698458 is 85489636505.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50563698397 and 50563698406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163616 + ... + 357627.

It is an arithmetic number, because the mean of its divisors is an integer number (2003140692).

Almost surely, 2^50563698458 is an apocalyptic number.

50563698458 is a deficient number, since it is larger than the sum of its proper divisors (45587054758).

50563698458 is a wasteful number, since it uses less digits than its factorization.

50563698458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521319 (or 521306 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 50563698458 in words is "fifty billion, five hundred sixty-three million, six hundred ninety-eight thousand, four hundred fifty-eight".