52651332 has 36 divisors (see below), whose sum is σ = 134594460. Its totient is φ = 17352192.

The previous prime is 52651303. The next prime is 52651369. The reversal of 52651332 is 23315625.

52651332 is a `hidden beast` number, since 5 + 2 + 651 + 3 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35212356 + 17438976 = 5934^2 + 4176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×52651332² = 5544325522748448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52651296 and 52651305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5013 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (3738735).

Almost surely, 2^52651332 is an apocalyptic number.

It is an amenable number.

52651332 is an abundant number, since it is smaller than the sum of its proper divisors (81943128).

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

52651332 is a wasteful number, since it uses less digits than its factorization.

52651332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16532 (or 16527 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52651332 is about 7256.1237585918. The cubic root of 52651332 is about 374.8030539174.

Adding to 52651332 its reverse (23315625), we get a palindrome (75966957).

The spelling of 52651332 in words is "fifty-two million, six hundred fifty-one thousand, three hundred thirty-two".