55684201 has 4 divisors (see below), whose sum is σ = 55896192. Its totient is φ = 55472212.

The previous prime is 55684199. The next prime is 55684207. The reversal of 55684201 is 10248655.

55684201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55684201 - 2¹ = 55684199 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55684207) 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 3 ways as a sum of consecutive naturals, for example, 105601 + ... + 106126.

It is an arithmetic number, because the mean of its divisors is an integer number (13974048).

Almost surely, 2^55684201 is an apocalyptic number.

55684201 is the 4720-th centered pentagonal number.

It is an amenable number.

55684201 is a deficient number, since it is larger than the sum of its proper divisors (211991).

55684201 is a wasteful number, since it uses less digits than its factorization.

55684201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211990.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 55684201 is about 7462.1847337090. The cubic root of 55684201 is about 381.8657116860.

The spelling of 55684201 in words is "fifty-five million, six hundred eighty-four thousand, two hundred one".