53501306540 has 24 divisors (see below), whose sum is σ = 122566630032. Its totient is φ = 19455020480.

The previous prime is 53501306501. The next prime is 53501306557. The reversal of 53501306540 is 4560310535.

It is a junction number, because it is equal to n+sod(n) for n = 53501306497 and 53501306506.

It is an unprimeable number.

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, 121593659 + ... + 121594098.

It is an arithmetic number, because the mean of its divisors is an integer number (5106942918).

Almost surely, 2^53501306540 is an apocalyptic number.

It is an amenable number.

53501306540 is an abundant number, since it is smaller than the sum of its proper divisors (69065323492).

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

53501306540 is a wasteful number, since it uses less digits than its factorization.

53501306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243187777 (or 243187775 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 53501306540 in words is "fifty-three billion, five hundred one million, three hundred six thousand, five hundred forty".