55553933671 has 4 divisors (see below), whose sum is σ = 55564263144. Its totient is φ = 55543604200.

The previous prime is 55553933641. The next prime is 55553933759. The reversal of 55553933671 is 17633935555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17633935555 = 5 ⋅3526787111.

It is a cyclic number.

It is not a de Polignac number, because 55553933671 - 2¹⁹ = 55553409383 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 (55553933621) 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, 5156665 + ... + 5167426.

It is an arithmetic number, because the mean of its divisors is an integer number (13891065786).

Almost surely, 2^55553933671 is an apocalyptic number.

55553933671 is a deficient number, since it is larger than the sum of its proper divisors (10329473).

55553933671 is a wasteful number, since it uses less digits than its factorization.

55553933671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329472.

The product of its digits is 6378750, while the sum is 52.

The spelling of 55553933671 in words is "fifty-five billion, five hundred fifty-three million, nine hundred thirty-three thousand, six hundred seventy-one".