55650201 has 4 divisors (see below), whose sum is σ = 74200272. Its totient is φ = 37100132.

The previous prime is 55650193. The next prime is 55650227. The reversal of 55650201 is 10205655.

55650201 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 55650201 - 2³ = 55650193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55660201) 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, 9275031 + ... + 9275036.

It is an arithmetic number, because the mean of its divisors is an integer number (18550068).

Almost surely, 2^55650201 is an apocalyptic number.

It is an amenable number.

55650201 is a deficient number, since it is larger than the sum of its proper divisors (18550071).

55650201 is a wasteful number, since it uses less digits than its factorization.

55650201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550070.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55650201 is about 7459.9062326547. The cubic root of 55650201 is about 381.7879752284.

Adding to 55650201 its reverse (10205655), we get a palindrome (65855856).

The spelling of 55650201 in words is "fifty-five million, six hundred fifty thousand, two hundred one".