53990360688 has 120 divisors (see below), whose sum is σ = 154428647184. Its totient is φ = 16241054720.

The previous prime is 53990360621. The next prime is 53990360783. The reversal of 53990360688 is 88606309935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761770 + ... + 829622.

Almost surely, 2^53990360688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53990360688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77214323592).

53990360688 is an abundant number, since it is smaller than the sum of its proper divisors (100438286496).

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

53990360688 is a wasteful number, since it uses less digits than its factorization.

53990360688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68023 (or 68006 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 53990360688 in words is "fifty-three billion, nine hundred ninety million, three hundred sixty thousand, six hundred eighty-eight".