52440113997 has 12 divisors (see below), whose sum is σ = 78358791420. Its totient is φ = 33754555968.

The previous prime is 52440113993. The next prime is 52440114031. The reversal of 52440113997 is 79931104425.

52440113997 is a `hidden beast` number, since 5 + 2 + 440 + 113 + 9 + 97 = 666.

52440113997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31166724681 + 21273389316 = 176541^2 + 145854^2 .

It is not a de Polignac number, because 52440113997 - 2² = 52440113993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440113993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100459728 + ... + 100460249.

It is an arithmetic number, because the mean of its divisors is an integer number (6529899285).

Almost surely, 2^52440113997 is an apocalyptic number.

It is an amenable number.

52440113997 is a deficient number, since it is larger than the sum of its proper divisors (25918677423).

52440113997 is a wasteful number, since it uses less digits than its factorization.

52440113997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200920012 (or 200920009 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 52440113997 in words is "fifty-two billion, four hundred forty million, one hundred thirteen thousand, nine hundred ninety-seven".