55317233202505 has 16 divisors (see below), whose sum is σ = 71010017744400. Its totient is φ = 41221234778112.

The previous prime is 55317233202481. The next prime is 55317233202557. The reversal of 55317233202505 is 50520233271355.

It can be written as a sum of positive squares in 8 ways, for example, as 4175798249529 + 51141434952976 = 2043477^2 + 7151324^2 .

It is a cyclic number.

It is not a de Polignac number, because 55317233202505 - 2²⁹ = 55316696331593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354584430 + ... + 3354600919.

It is an arithmetic number, because the mean of its divisors is an integer number (4438126109025).

Almost surely, 2^{55317233202505} is an apocalyptic number.

It is an amenable number.

55317233202505 is a deficient number, since it is larger than the sum of its proper divisors (15692784541895).

55317233202505 is a wasteful number, since it uses less digits than its factorization.

55317233202505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709185468.

The product of its (nonzero) digits is 945000, while the sum is 43.

The spelling of 55317233202505 in words is "fifty-five trillion, three hundred seventeen billion, two hundred thirty-three million, two hundred two thousand, five hundred five".