55052207 has 8 divisors (see below), whose sum is σ = 63318816. Its totient is φ = 46886112.

The previous prime is 55052191. The next prime is 55052219. The reversal of 55052207 is 70225055.

55052207 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 not a de Polignac number, because 55052207 - 2⁴ = 55052191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55052407) 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, 23948 + ... + 26145.

It is an arithmetic number, because the mean of its divisors is an integer number (7914852).

Almost surely, 2^55052207 is an apocalyptic number.

55052207 is a deficient number, since it is larger than the sum of its proper divisors (8266609).

55052207 is a wasteful number, since it uses less digits than its factorization.

55052207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50257.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 55052207 is about 7419.7174474504. The cubic root of 55052207 is about 380.4155357445.

The spelling of 55052207 in words is "fifty-five million, fifty-two thousand, two hundred seven".