52144681 has 8 divisors (see below), whose sum is σ = 53770464. Its totient is φ = 50537760.

The previous prime is 52144663. The next prime is 52144699. The reversal of 52144681 is 18644125.

52144681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52144663) and next prime (52144699).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52144681 - 2⁵ = 52144649 is a prime.

It is a super-2 number, since 2×52144681² = 5438135513183522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52144181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (6721308).

Almost surely, 2^52144681 is an apocalyptic number.

It is an amenable number.

52144681 is a deficient number, since it is larger than the sum of its proper divisors (1625783).

52144681 is a wasteful number, since it uses less digits than its factorization.

52144681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431.

The product of its digits is 7680, while the sum is 31.

The square root of 52144681 is about 7221.1274050525. The cubic root of 52144681 is about 373.5969640015.

It can be divided in two parts, 52144 and 681, that added together give a palindrome (52825).

The spelling of 52144681 in words is "fifty-two million, one hundred forty-four thousand, six hundred eighty-one".