53856288140 has 24 divisors (see below), whose sum is σ = 115232135760. Its totient is φ = 21136052288.

The previous prime is 53856288121. The next prime is 53856288149. The reversal of 53856288140 is 4188265835.

It is not an unprimeable number, because it can be changed into a prime (53856288149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25402850 + ... + 25404969.

It is an arithmetic number, because the mean of its divisors is an integer number (4801338990).

Almost surely, 2^53856288140 is an apocalyptic number.

It is an amenable number.

53856288140 is an abundant number, since it is smaller than the sum of its proper divisors (61375847620).

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

53856288140 is a wasteful number, since it uses less digits than its factorization.

53856288140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50807881 (or 50807879 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 53856288140 in words is "fifty-three billion, eight hundred fifty-six million, two hundred eighty-eight thousand, one hundred forty".