53194348320 has 144 divisors (see below), whose sum is σ = 173143293120. Its totient is φ = 13727454720.

The previous prime is 53194348313. The next prime is 53194348343. The reversal of 53194348320 is 2384349135.

It is a Cunningham number, because it is equal to 230639²-1.

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, 403621 + ... + 518939.

It is an arithmetic number, because the mean of its divisors is an integer number (1202383980).

Almost surely, 2^53194348320 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 53194348320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86571646560).

53194348320 is an abundant number, since it is smaller than the sum of its proper divisors (119948944800).

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

53194348320 is a wasteful number, since it uses less digits than its factorization.

53194348320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115399 (or 115360 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 53194348320 in words is "fifty-three billion, one hundred ninety-four million, three hundred forty-eight thousand, three hundred twenty".