52068641 has 4 divisors (see below), whose sum is σ = 52132884. Its totient is φ = 52004400.

The previous prime is 52068629. The next prime is 52068677. The reversal of 52068641 is 14686025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 41152225 = 3304^2 + 6415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52068641 is a prime.

It is a super-2 number, since 2×52068641² = 5422286751173762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52068598 and 52068607.

It is not an unprimeable number, because it can be changed into a prime (52068691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30890 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (13033221).

Almost surely, 2^52068641 is an apocalyptic number.

It is an amenable number.

52068641 is a deficient number, since it is larger than the sum of its proper divisors (64243).

52068641 is an equidigital number, since it uses as much as digits as its factorization.

52068641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64242.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 52068641 is about 7215.8603783610. The cubic root of 52068641 is about 373.4152763547.

The spelling of 52068641 in words is "fifty-two million, sixty-eight thousand, six hundred forty-one".