53975981984 has 24 divisors (see below), whose sum is σ = 106351616448. Its totient is φ = 26966047680.

The previous prime is 53975981977. The next prime is 53975981987. The reversal of 53975981984 is 48918957935.

It is a happy number.

It is a super-2 number, since 2×53975981984² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53975981987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645722 + ... + 724505.

It is an arithmetic number, because the mean of its divisors is an integer number (4431317352).

Almost surely, 2^53975981984 is an apocalyptic number.

It is an amenable number.

53975981984 is a deficient number, since it is larger than the sum of its proper divisors (52375634464).

53975981984 is a wasteful number, since it uses less digits than its factorization.

53975981984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371468 (or 1371460 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 68.

The spelling of 53975981984 in words is "fifty-three billion, nine hundred seventy-five million, nine hundred eighty-one thousand, nine hundred eighty-four".