53340381576 has 128 divisors (see below), whose sum is σ = 158610240000. Its totient is φ = 16558758720.

The previous prime is 53340381553. The next prime is 53340381581. The reversal of 53340381576 is 67518304335.

53340381576 is a `hidden beast` number, since 5 + 3 + 3 + 40 + 38 + 1 + 576 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 131991 + ... + 352281.

It is an arithmetic number, because the mean of its divisors is an integer number (1239142500).

Almost surely, 2^53340381576 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 53340381576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79305120000).

53340381576 is an abundant number, since it is smaller than the sum of its proper divisors (105269858424).

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

53340381576 is a wasteful number, since it uses less digits than its factorization.

53340381576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220384 (or 220374 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 53340381576 in words is "fifty-three billion, three hundred forty million, three hundred eighty-one thousand, five hundred seventy-six".