55364161 has 4 divisors (see below), whose sum is σ = 57273300. Its totient is φ = 53455024.

The previous prime is 55364159. The next prime is 55364209. The reversal of 55364161 is 16146355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16146355 = 5 ⋅3229271.

It can be written as a sum of positive squares in 2 ways, for example, as 26204161 + 29160000 = 5119^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 55364161 - 2¹ = 55364159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55364131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954526 + ... + 954583.

It is an arithmetic number, because the mean of its divisors is an integer number (14318325).

Almost surely, 2^55364161 is an apocalyptic number.

It is an amenable number.

55364161 is a deficient number, since it is larger than the sum of its proper divisors (1909139).

55364161 is a wasteful number, since it uses less digits than its factorization.

55364161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909138.

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

The square root of 55364161 is about 7440.7097107736. The cubic root of 55364161 is about 381.1327258754.

The spelling of 55364161 in words is "fifty-five million, three hundred sixty-four thousand, one hundred sixty-one".