52672028081 has 8 divisors (see below), whose sum is σ = 55786689864. Its totient is φ = 49559178240.

The previous prime is 52672028077. The next prime is 52672028089. The reversal of 52672028081 is 18082027625.

It can be written as a sum of positive squares in 4 ways, for example, as 8683257856 + 43988770225 = 93184^2 + 209735^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52672028081 - 2² = 52672028077 is a prime.

It is a super-2 number, since 2×52672028081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52672028089) 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, 392900 + ... + 509621.

It is an arithmetic number, because the mean of its divisors is an integer number (6973336233).

Almost surely, 2^52672028081 is an apocalyptic number.

It is an amenable number.

52672028081 is a deficient number, since it is larger than the sum of its proper divisors (3114661783).

52672028081 is a wasteful number, since it uses less digits than its factorization.

52672028081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905971.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 52672028081 in words is "fifty-two billion, six hundred seventy-two million, twenty-eight thousand, eighty-one".