55075201 has 4 divisors (see below), whose sum is σ = 55508992. Its totient is φ = 54641412.

The previous prime is 55075171. The next prime is 55075213. The reversal of 55075201 is 10257055.

It is a happy number.

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 55075201 - 2⁹ = 55074689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55075001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216705 + ... + 216958.

It is an arithmetic number, because the mean of its divisors is an integer number (13877248).

Almost surely, 2^55075201 is an apocalyptic number.

It is an amenable number.

55075201 is a deficient number, since it is larger than the sum of its proper divisors (433791).

55075201 is a wasteful number, since it uses less digits than its factorization.

55075201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433790.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 55075201 is about 7421.2668056067. The cubic root of 55075201 is about 380.4684918852.

The spelling of 55075201 in words is "fifty-five million, seventy-five thousand, two hundred one".