55202247 has 24 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 34437120.

The previous prime is 55202243. The next prime is 55202267. The reversal of 55202247 is 74220255.

55202247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55202247 - 2² = 55202243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55202247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202243) 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 23 ways as a sum of consecutive naturals, for example, 28279 + ... + 30167.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^55202247 is an apocalyptic number.

55202247 is a deficient number, since it is larger than the sum of its proper divisors (29711673).

55202247 is a wasteful number, since it uses less digits than its factorization.

55202247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 55202247 is about 7429.8214648806. The cubic root of 55202247 is about 380.7608187353.

The spelling of 55202247 in words is "fifty-five million, two hundred two thousand, two hundred forty-seven".