52315644 has 24 divisors (see below), whose sum is σ = 122402560. Its totient is φ = 17391024.

The previous prime is 52315643. The next prime is 52315651. The reversal of 52315644 is 44651325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52315643) 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, 1204 + ... + 10299.

Almost surely, 2^52315644 is an apocalyptic number.

It is an amenable number.

52315644 is an abundant number, since it is smaller than the sum of its proper divisors (70086916).

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

52315644 is a wasteful number, since it uses less digits than its factorization.

52315644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889 (or 11887 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 52315644 is about 7232.9554125544. The cubic root of 52315644 is about 374.0048137255.

Adding to 52315644 its reverse (44651325), we get a palindrome (96966969).

The spelling of 52315644 in words is "fifty-two million, three hundred fifteen thousand, six hundred forty-four".