53116618805 has 8 divisors (see below), whose sum is σ = 65937871800. Its totient is φ = 41028008896.

The previous prime is 53116618799. The next prime is 53116618837. The reversal of 53116618805 is 50881661135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3687768529 + 49428850276 = 60727^2 + 222326^2 .

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 53116618805 - 2⁶ = 53116618741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183160610 + ... + 183160899.

It is an arithmetic number, because the mean of its divisors is an integer number (8242233975).

Almost surely, 2^53116618805 is an apocalyptic number.

It is an amenable number.

53116618805 is a deficient number, since it is larger than the sum of its proper divisors (12821252995).

53116618805 is a wasteful number, since it uses less digits than its factorization.

53116618805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366321543.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 53116618805 in words is "fifty-three billion, one hundred sixteen million, six hundred eighteen thousand, eight hundred five".