53651773540040 has 128 divisors (see below), whose sum is σ = 133178975798400. Its totient is φ = 19325874247680.

The previous prime is 53651773540021. The next prime is 53651773540171. The reversal of 53651773540040 is 4004537715635.

53651773540040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694545659 + ... + 694622901.

It is an arithmetic number, because the mean of its divisors is an integer number (1040460748425).

Almost surely, 2^{53651773540040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53651773540040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66589487899200).

53651773540040 is an abundant number, since it is smaller than the sum of its proper divisors (79527202258360).

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

53651773540040 is a wasteful number, since it uses less digits than its factorization.

53651773540040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109887 (or 109883 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 53651773540040 in words is "fifty-three trillion, six hundred fifty-one billion, seven hundred seventy-three million, five hundred forty thousand, forty".