52857858085 has 16 divisors (see below), whose sum is σ = 64404412416. Its totient is φ = 41636852928.

The previous prime is 52857858077. The next prime is 52857858103. The reversal of 52857858085 is 58085875825.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52857858085 - 2³ = 52857858077 is a prime.

It is a super-2 number, since 2×52857858085² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756124 + ... + 823066.

It is an arithmetic number, because the mean of its divisors is an integer number (4025275776).

Almost surely, 2^52857858085 is an apocalyptic number.

It is an amenable number.

52857858085 is a deficient number, since it is larger than the sum of its proper divisors (11546554331).

52857858085 is a wasteful number, since it uses less digits than its factorization.

52857858085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69372.

The product of its (nonzero) digits is 35840000, while the sum is 61.

The spelling of 52857858085 in words is "fifty-two billion, eight hundred fifty-seven million, eight hundred fifty-eight thousand, eighty-five".