52647964 has 6 divisors (see below), whose sum is σ = 92133944. Its totient is φ = 26323980.

The previous prime is 52647961. The next prime is 52647971. The reversal of 52647964 is 46974625.

It is a happy number.

It is a super-2 number, since 2×52647964² = 5543616226690592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52647964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52647961) by changing a digit.

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 as a sum of consecutive naturals, namely, 6580992 + ... + 6580999.

Almost surely, 2^52647964 is an apocalyptic number.

It is an amenable number.

52647964 is a deficient number, since it is larger than the sum of its proper divisors (39485980).

52647964 is a wasteful number, since it uses less digits than its factorization.

52647964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13161995 (or 13161993 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 52647964 is about 7255.8916750459. The cubic root of 52647964 is about 374.7950619474.

The spelling of 52647964 in words is "fifty-two million, six hundred forty-seven thousand, nine hundred sixty-four".