50148771648 has 112 divisors (see below), whose sum is σ = 146598802560. Its totient is φ = 15048884224.

The previous prime is 50148771637. The next prime is 50148771683. The reversal of 50148771648 is 84617784105.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 50148771648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258933 + ... + 409076.

It is an arithmetic number, because the mean of its divisors is an integer number (1308917880).

Almost surely, 2^50148771648 is an apocalyptic number.

It is an amenable number.

50148771648 is an abundant number, since it is smaller than the sum of its proper divisors (96450030912).

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

50148771648 is a wasteful number, since it uses less digits than its factorization.

50148771648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668064 (or 668054 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 50148771648 in words is "fifty billion, one hundred forty-eight million, seven hundred seventy-one thousand, six hundred forty-eight".