50816172648 has 32 divisors (see below), whose sum is σ = 128467857600. Its totient is φ = 16748400768.

The previous prime is 50816172637. The next prime is 50816172677. The reversal of 50816172648 is 84627161805.

It is a junction number, because it is equal to n+sod(n) for n = 50816172597 and 50816172606.

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, 11893036 + ... + 11897307.

It is an arithmetic number, because the mean of its divisors is an integer number (4014620550).

Almost surely, 2^50816172648 is an apocalyptic number.

It is an amenable number.

50816172648 is an abundant number, since it is smaller than the sum of its proper divisors (77651684952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50816172648 is a wasteful number, since it uses less digits than its factorization.

50816172648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23790441 (or 23790437 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 50816172648 in words is "fifty billion, eight hundred sixteen million, one hundred seventy-two thousand, six hundred forty-eight".