55307833817 has 4 divisors (see below), whose sum is σ = 55308339456. Its totient is φ = 55307328180.

The previous prime is 55307833783. The next prime is 55307833897. The reversal of 55307833817 is 71833870355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55307833817 - 2¹⁶ = 55307768281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55307833897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12773 + ... + 332834.

It is an arithmetic number, because the mean of its divisors is an integer number (13827084864).

Almost surely, 2^55307833817 is an apocalyptic number.

It is an amenable number.

55307833817 is a deficient number, since it is larger than the sum of its proper divisors (505639).

55307833817 is a wasteful number, since it uses less digits than its factorization.

55307833817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505638.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 55307833817 in words is "fifty-five billion, three hundred seven million, eight hundred thirty-three thousand, eight hundred seventeen".