52163479081 has 4 divisors (see below), whose sum is σ = 59615404672. Its totient is φ = 44711553492.

The previous prime is 52163479021. The next prime is 52163479087. The reversal of 52163479081 is 18097436125.

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 52163479081 - 2¹¹ = 52163477033 is a prime.

It is a super-2 number, since 2×52163479081² (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 (52163479087) 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, 3725962785 + ... + 3725962798.

It is an arithmetic number, because the mean of its divisors is an integer number (14903851168).

It is a 1-persistent number, because it is pandigital, but 2⋅52163479081 = 104326958162 is not.

Almost surely, 2^52163479081 is an apocalyptic number.

It is an amenable number.

52163479081 is a deficient number, since it is larger than the sum of its proper divisors (7451925591).

52163479081 is an equidigital number, since it uses as much as digits as its factorization.

52163479081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451925590.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 52163479081 in words is "fifty-two billion, one hundred sixty-three million, four hundred seventy-nine thousand, eighty-one".