52161832 has 32 divisors (see below), whose sum is σ = 100607400. Its totient is φ = 25344000.

The previous prime is 52161829. The next prime is 52161833. The reversal of 52161832 is 23816125.

It can be written as a sum of positive squares in 4 ways, for example, as 5731236 + 46430596 = 2394^2 + 6814^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52161832.

It is not an unprimeable number, because it can be changed into a prime (52161833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42832 + ... + 44032.

Almost surely, 2^52161832 is an apocalyptic number.

It is an amenable number.

52161832 is a deficient number, since it is larger than the sum of its proper divisors (48445568).

52161832 is a wasteful number, since it uses less digits than its factorization.

52161832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 52161832 is about 7222.3148643631. The cubic root of 52161832 is about 373.6379196594.

Adding to 52161832 its reverse (23816125), we get a palindrome (75977957).

The spelling of 52161832 in words is "fifty-two million, one hundred sixty-one thousand, eight hundred thirty-two".