50881451328 has 84 divisors (see below), whose sum is σ = 149399696628. Its totient is φ = 16546805760.

The previous prime is 50881451321. The next prime is 50881451393. The reversal of 50881451328 is 82315418805.

50881451328 is a `hidden beast` number, since 50 + 8 + 81 + 4 + 513 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24885693504 + 25995757824 = 157752^2 + 161232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50881451321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053651 + ... + 1100882.

It is an arithmetic number, because the mean of its divisors is an integer number (1778567817).

Almost surely, 2^50881451328 is an apocalyptic number.

It is an amenable number.

50881451328 is an abundant number, since it is smaller than the sum of its proper divisors (98518245300).

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

50881451328 is a wasteful number, since it uses less digits than its factorization.

50881451328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154592 (or 2154579 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 50881451328 in words is "fifty billion, eight hundred eighty-one million, four hundred fifty-one thousand, three hundred twenty-eight".