52688447544 has 16 divisors (see below), whose sum is σ = 131721118920. Its totient is φ = 17562815840.

The previous prime is 52688447543. The next prime is 52688447549. The reversal of 52688447544 is 44574488625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52688447543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097675967 + ... + 1097676014.

Almost surely, 2^52688447544 is an apocalyptic number.

It is an amenable number.

52688447544 is an abundant number, since it is smaller than the sum of its proper divisors (79032671376).

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

52688447544 is a wasteful number, since it uses less digits than its factorization.

52688447544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195351990 (or 2195351986 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 57.

The spelling of 52688447544 in words is "fifty-two billion, six hundred eighty-eight million, four hundred forty-seven thousand, five hundred forty-four".