52616331 has 32 divisors (see below), whose sum is σ = 82688000. Its totient is φ = 33009120.

The previous prime is 52616329. The next prime is 52616351. The reversal of 52616331 is 13361625.

52616331 is a `hidden beast` number, since 5 + 26 + 1 + 633 + 1 = 666.

52616331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52616331 - 2¹ = 52616329 is a prime.

It is a super-2 number, since 2×52616331² = 5536956575803122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52616295 and 52616304.

It is not an unprimeable number, because it can be changed into a prime (52616321) by changing a digit.

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, 30120 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (2584000).

Almost surely, 2^52616331 is an apocalyptic number.

52616331 is a deficient number, since it is larger than the sum of its proper divisors (30071669).

52616331 is a wasteful number, since it uses less digits than its factorization.

52616331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 1770 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 52616331 is about 7253.7115327258. The cubic root of 52616331 is about 374.7199829599.

Adding to 52616331 its reverse (13361625), we get a palindrome (65977956).

The spelling of 52616331 in words is "fifty-two million, six hundred sixteen thousand, three hundred thirty-one".