52085045917 has 4 divisors (see below), whose sum is σ = 52404586240. Its totient is φ = 51765505596.

The previous prime is 52085045849. The next prime is 52085045981. The reversal of 52085045917 is 71954058025.

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 52085045917 - 2¹¹ = 52085043869 is a prime.

It is a super-3 number, since 3×52085045917³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52085045717) 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, 159769917 + ... + 159770242.

It is an arithmetic number, because the mean of its divisors is an integer number (13101146560).

Almost surely, 2^52085045917 is an apocalyptic number.

It is an amenable number.

52085045917 is a deficient number, since it is larger than the sum of its proper divisors (319540323).

52085045917 is a wasteful number, since it uses less digits than its factorization.

52085045917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319540322.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 52085045917 in words is "fifty-two billion, eighty-five million, forty-five thousand, nine hundred seventeen".