52531263641 has 4 divisors (see below), whose sum is σ = 52532059392. Its totient is φ = 52530467892.

The previous prime is 52531263581. The next prime is 52531263689. The reversal of 52531263641 is 14636213525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52531263641 - 2³⁴ = 35351394457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52531263595 and 52531263604.

It is not an unprimeable number, because it can be changed into a prime (52531263041) by changing a digit.

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, 288905 + ... + 434198.

It is an arithmetic number, because the mean of its divisors is an integer number (13133014848).

Almost surely, 2^52531263641 is an apocalyptic number.

It is an amenable number.

52531263641 is a deficient number, since it is larger than the sum of its proper divisors (795751).

52531263641 is an equidigital number, since it uses as much as digits as its factorization.

52531263641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795750.

The product of its digits is 129600, while the sum is 38.

The spelling of 52531263641 in words is "fifty-two billion, five hundred thirty-one million, two hundred sixty-three thousand, six hundred forty-one".