50946064128 has 144 divisors (see below), whose sum is σ = 155852138400. Its totient is φ = 16396369920.

The previous prime is 50946064123. The next prime is 50946064153. The reversal of 50946064128 is 82146064905.

50946064128 is a `hidden beast` number, since 5 + 0 + 9 + 460 + 64 + 128 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50946064123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73368 + ... + 327528.

Almost surely, 2^50946064128 is an apocalyptic number.

50946064128 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50946064128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77926069200).

50946064128 is an abundant number, since it is smaller than the sum of its proper divisors (104906074272).

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

50946064128 is a wasteful number, since it uses less digits than its factorization.

50946064128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254215 (or 254195 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 50946064128 in words is "fifty billion, nine hundred forty-six million, sixty-four thousand, one hundred twenty-eight".