52540444531 has 8 divisors (see below), whose sum is σ = 54183513600. Its totient is φ = 50922460680.

The previous prime is 52540444471. The next prime is 52540444559. The reversal of 52540444531 is 13544404525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540444531 is a prime.

It is a super-2 number, since 2×52540444531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52540444031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6267051 + ... + 6275428.

It is an arithmetic number, because the mean of its divisors is an integer number (6772939200).

Almost surely, 2^52540444531 is an apocalyptic number.

52540444531 is a deficient number, since it is larger than the sum of its proper divisors (1643069069).

52540444531 is a wasteful number, since it uses less digits than its factorization.

52540444531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542609.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 52540444531 in words is "fifty-two billion, five hundred forty million, four hundred forty-four thousand, five hundred thirty-one".