53953884081 has 32 divisors (see below), whose sum is σ = 83578705920. Its totient is φ = 34334535312.

The previous prime is 53953884077. The next prime is 53953884121. The reversal of 53953884081 is 18048835935.

It is not a de Polignac number, because 53953884081 - 2² = 53953884077 is a prime.

It is a super-2 number, since 2×53953884081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53953889081) by changing a digit.

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, 213226 + ... + 391628.

It is an arithmetic number, because the mean of its divisors is an integer number (2611834560).

Almost surely, 2^53953884081 is an apocalyptic number.

It is an amenable number.

53953884081 is a deficient number, since it is larger than the sum of its proper divisors (29624821839).

53953884081 is a wasteful number, since it uses less digits than its factorization.

53953884081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178922 (or 178916 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 53953884081 in words is "fifty-three billion, nine hundred fifty-three million, eight hundred eighty-four thousand, eighty-one".