55538833850707 has 4 divisors (see below), whose sum is σ = 55555917469416. Its totient is φ = 55521750232000.

The previous prime is 55538833850701. The next prime is 55538833850723. The reversal of 55538833850707 is 70705833883555.

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

It is a cyclic number.

It is not a de Polignac number, because 55538833850707 - 2³⁹ = 54989078036819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55538833850701) 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 3 ways as a sum of consecutive naturals, for example, 8541804478 + ... + 8541810979.

It is an arithmetic number, because the mean of its divisors is an integer number (13888979367354).

Almost surely, 2^{55538833850707} is an apocalyptic number.

55538833850707 is a deficient number, since it is larger than the sum of its proper divisors (17083618709).

55538833850707 is a wasteful number, since it uses less digits than its factorization.

55538833850707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17083618708.

The product of its (nonzero) digits is 423360000, while the sum is 67.

The spelling of 55538833850707 in words is "fifty-five trillion, five hundred thirty-eight billion, eight hundred thirty-three million, eight hundred fifty thousand, seven hundred seven".