53680921128 has 32 divisors (see below), whose sum is σ = 149113670400. Its totient is φ = 17893640304.

The previous prime is 53680921121. The next prime is 53680921181. The reversal of 53680921128 is 82112908635.

53680921128 is a `hidden beast` number, since 536 + 8 + 0 + 92 + 1 + 1 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (53680921121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124261176 + ... + 124261607.

It is an arithmetic number, because the mean of its divisors is an integer number (4659802200).

Almost surely, 2^53680921128 is an apocalyptic number.

It is an amenable number.

53680921128 is an abundant number, since it is smaller than the sum of its proper divisors (95432749272).

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

53680921128 is a wasteful number, since it uses less digits than its factorization.

53680921128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248522798 (or 248522788 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 53680921128 in words is "fifty-three billion, six hundred eighty million, nine hundred twenty-one thousand, one hundred twenty-eight".