53981568312 has 32 divisors (see below), whose sum is σ = 154233052800. Its totient is φ = 15423305184.

The previous prime is 53981568301. The next prime is 53981568331. The reversal of 53981568312 is 21386518935.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 160659262 + ... + 160659597.

It is an arithmetic number, because the mean of its divisors is an integer number (4819782900).

Almost surely, 2^53981568312 is an apocalyptic number.

It is an amenable number.

53981568312 is an abundant number, since it is smaller than the sum of its proper divisors (100251484488).

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

53981568312 is a wasteful number, since it uses less digits than its factorization.

53981568312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321318875 (or 321318871 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 53981568312 in words is "fifty-three billion, nine hundred eighty-one million, five hundred sixty-eight thousand, three hundred twelve".