52540043232 has 24 divisors (see below), whose sum is σ = 137917613736. Its totient is φ = 17513347712.

The previous prime is 52540043203. The next prime is 52540043279. The reversal of 52540043232 is 23234004525.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×52540043232² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52540043232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273645963 + ... + 273646154.

It is an arithmetic number, because the mean of its divisors is an integer number (5746567239).

Almost surely, 2^52540043232 is an apocalyptic number.

It is an amenable number.

52540043232 is an abundant number, since it is smaller than the sum of its proper divisors (85377570504).

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

52540043232 is a wasteful number, since it uses less digits than its factorization.

52540043232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547292130 (or 547292122 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 52540043232 its reverse (23234004525), we get a palindrome (75774047757).

The spelling of 52540043232 in words is "fifty-two billion, five hundred forty million, forty-three thousand, two hundred thirty-two".