52642664 has 32 divisors (see below), whose sum is σ = 101640000. Its totient is φ = 25546752.

The previous prime is 52642663. The next prime is 52642687. The reversal of 52642664 is 46624625.

It is not an unprimeable number, because it can be changed into a prime (52642663) 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 in 7 ways as a sum of consecutive naturals, for example, 68072 + ... + 68840.

It is an arithmetic number, because the mean of its divisors is an integer number (3176250).

Almost surely, 2^52642664 is an apocalyptic number.

It is an amenable number.

52642664 is a deficient number, since it is larger than the sum of its proper divisors (48997336).

52642664 is a wasteful number, since it uses less digits than its factorization.

52642664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1013 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 52642664 is about 7255.5264454070. The cubic root of 52642664 is about 374.7824848197.

The spelling of 52642664 in words is "fifty-two million, six hundred forty-two thousand, six hundred sixty-four".