55324156181 has 8 divisors (see below), whose sum is σ = 63304439424. Its totient is φ = 47363081040.

The previous prime is 55324156177. The next prime is 55324156211. The reversal of 55324156181 is 18165142355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55324156181 - 2² = 55324156177 is a prime.

It is a super-2 number, since 2×55324156181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55324156141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4795850 + ... + 4807371.

It is an arithmetic number, because the mean of its divisors is an integer number (7913054928).

Almost surely, 2^55324156181 is an apocalyptic number.

It is an amenable number.

55324156181 is a deficient number, since it is larger than the sum of its proper divisors (7980283243).

55324156181 is an equidigital number, since it uses as much as digits as its factorization.

55324156181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604051.

The product of its digits is 144000, while the sum is 41.

The spelling of 55324156181 in words is "fifty-five billion, three hundred twenty-four million, one hundred fifty-six thousand, one hundred eighty-one".