52831086 has 64 divisors (see below), whose sum is σ = 132696576. Its totient is φ = 13622400.

The previous prime is 52831073. The next prime is 52831151. The reversal of 52831086 is 68013825.

It is a happy number.

52831086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52831086² = 5582247295878792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79596 + ... + 80256.

It is an arithmetic number, because the mean of its divisors is an integer number (2073384).

Almost surely, 2^52831086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52831086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66348288).

52831086 is an abundant number, since it is smaller than the sum of its proper divisors (79865490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52831086 is a wasteful number, since it uses less digits than its factorization.

52831086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 52831086 is about 7268.4995700626. The cubic root of 52831086 is about 375.2291008945.

It can be divided in two parts, 52 and 831086, that added together give a palindrome (831138).

The spelling of 52831086 in words is "fifty-two million, eight hundred thirty-one thousand, eighty-six".