52940056064 has 160 divisors (see below), whose sum is σ = 130219094016. Its totient is φ = 21001052160.

The previous prime is 52940056063. The next prime is 52940056067. The reversal of 52940056064 is 46065004925.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52940056063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545034 + ... + 2565750.

Almost surely, 2^52940056064 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 52940056064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65109547008).

52940056064 is an abundant number, since it is smaller than the sum of its proper divisors (77279037952).

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

52940056064 is a wasteful number, since it uses less digits than its factorization.

52940056064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20796 (or 20780 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 52940056064 in words is "fifty-two billion, nine hundred forty million, fifty-six thousand, sixty-four".