52718033861 has 8 divisors (see below), whose sum is σ = 52803812184. Its totient is φ = 52632322560.

The previous prime is 52718033833. The next prime is 52718033881. The reversal of 52718033861 is 16833081725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2005696225 + 50712337636 = 44785^2 + 225194^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52718033861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52718033881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697291 + ... + 1728071.

It is an arithmetic number, because the mean of its divisors is an integer number (6600476523).

Almost surely, 2^52718033861 is an apocalyptic number.

It is an amenable number.

52718033861 is a deficient number, since it is larger than the sum of its proper divisors (85778323).

52718033861 is a wasteful number, since it uses less digits than its factorization.

52718033861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33511.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 52718033861 in words is "fifty-two billion, seven hundred eighteen million, thirty-three thousand, eight hundred sixty-one".