55161162206 has 4 divisors (see below), whose sum is σ = 82741743312. Its totient is φ = 27580581102.

The previous prime is 55161162193. The next prime is 55161162211. The reversal of 55161162206 is 60226116155.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13790290550 + ... + 13790290553.

It is an arithmetic number, because the mean of its divisors is an integer number (20685435828).

Almost surely, 2^55161162206 is an apocalyptic number.

55161162206 is a deficient number, since it is larger than the sum of its proper divisors (27580581106).

55161162206 is a wasteful number, since it uses less digits than its factorization.

55161162206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27580581105.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 55161162206 in words is "fifty-five billion, one hundred sixty-one million, one hundred sixty-two thousand, two hundred six".