55216683799 has 4 divisors (see below), whose sum is σ = 55221986736. Its totient is φ = 55211380864.

The previous prime is 55216683749. The next prime is 55216683869. The reversal of 55216683799 is 99738661255.

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 55216683799 - 2⁹ = 55216683287 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 (55216683749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635819 + ... + 2656684.

It is an arithmetic number, because the mean of its divisors is an integer number (13805496684).

Almost surely, 2^55216683799 is an apocalyptic number.

55216683799 is a deficient number, since it is larger than the sum of its proper divisors (5302937).

55216683799 is a wasteful number, since it uses less digits than its factorization.

55216683799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302936.

The product of its digits is 24494400, while the sum is 61.

The spelling of 55216683799 in words is "fifty-five billion, two hundred sixteen million, six hundred eighty-three thousand, seven hundred ninety-nine".