53694409231680 has 224 divisors, whose sum is σ = 194903875246080. Its totient is φ = 12268606187520.

The previous prime is 53694409231651. The next prime is 53694409231703. The reversal of 53694409231680 is 8613290449635.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17324091 + ... + 20186949.

It is an arithmetic number, because the mean of its divisors is an integer number (870106585920).

Almost surely, 2^{53694409231680} 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 53694409231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97451937623040).

53694409231680 is an abundant number, since it is smaller than the sum of its proper divisors (141209466014400).

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

53694409231680 is a wasteful number, since it uses less digits than its factorization.

53694409231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865677 (or 2865667 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 53694409231680 in words is "fifty-three trillion, six hundred ninety-four billion, four hundred nine million, two hundred thirty-one thousand, six hundred eighty".