55436161 has 8 divisors (see below), whose sum is σ = 61328448. Its totient is φ = 49686000.

The previous prime is 55436149. The next prime is 55436203. The reversal of 55436161 is 16163455.

55436161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55436161 - 2⁷ = 55436033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55436131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34710 + ... + 36271.

It is an arithmetic number, because the mean of its divisors is an integer number (7666056).

Almost surely, 2^55436161 is an apocalyptic number.

It is an amenable number.

55436161 is a deficient number, since it is larger than the sum of its proper divisors (5892287).

55436161 is a wasteful number, since it uses less digits than its factorization.

55436161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71063.

The product of its digits is 10800, while the sum is 31.

The square root of 55436161 is about 7445.5463869349. The cubic root of 55436161 is about 381.2978728382.

The spelling of 55436161 in words is "fifty-five million, four hundred thirty-six thousand, one hundred sixty-one".