53698621104 has 480 divisors, whose sum is σ = 169249167360. Its totient is φ = 15825715200.

The previous prime is 53698621087. The next prime is 53698621117. The reversal of 53698621104 is 40112689635.

53698621104 is a `hidden beast` number, since 5 + 3 + 6 + 9 + 8 + 621 + 10 + 4 = 666.

53698621104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53698621104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 501856219 + ... + 501856325.

It is an arithmetic number, because the mean of its divisors is an integer number (352602432).

Almost surely, 2^53698621104 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 53698621104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84624583680).

53698621104 is an abundant number, since it is smaller than the sum of its proper divisors (115550546256).

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

53698621104 is a wasteful number, since it uses less digits than its factorization.

53698621104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 53698621104 in words is "fifty-three billion, six hundred ninety-eight million, six hundred twenty-one thousand, one hundred four".