52640068 has 24 divisors (see below), whose sum is σ = 99505280. Its totient is φ = 24222240.

The previous prime is 52640053. The next prime is 52640083. The reversal of 52640068 is 86004625.

It is an interprime number because it is at equal distance from previous prime (52640053) and next prime (52640083).

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 7 ways as a sum of consecutive naturals, for example, 18373 + ... + 21043.

Almost surely, 2^52640068 is an apocalyptic number.

It is an amenable number.

52640068 is a deficient number, since it is larger than the sum of its proper divisors (46865212).

52640068 is a wasteful number, since it uses less digits than its factorization.

52640068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 52640068 is about 7255.3475450870. The cubic root of 52640068 is about 374.7763240922.

The spelling of 52640068 in words is "fifty-two million, six hundred forty thousand, sixty-eight".