53968987712 has 42 divisors (see below), whose sum is σ = 113410501398. Its totient is φ = 25393564672.

The previous prime is 53968987687. The next prime is 53968987727. The reversal of 53968987712 is 21778986935.

It can be written as a sum of positive squares in only one way, i.e., 50794341376 + 3174646336 = 225376^2 + 56344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7659263 + ... + 7666305.

Almost surely, 2^53968987712 is an apocalyptic number.

It is an amenable number.

53968987712 is an abundant number, since it is smaller than the sum of its proper divisors (59441513686).

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

53968987712 is an frugal number, since it uses more digits than its factorization.

53968987712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115 (or 7062 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 65.

The spelling of 53968987712 in words is "fifty-three billion, nine hundred sixty-eight million, nine hundred eighty-seven thousand, seven hundred twelve".