55025227 has 4 divisors (see below), whose sum is σ = 55169280. Its totient is φ = 54881176.

The previous prime is 55025221. The next prime is 55025231. The reversal of 55025227 is 72252055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55025227 - 2¹⁵ = 54992459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55025195 and 55025204.

It is not an unprimeable number, because it can be changed into a prime (55025221) 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, 71452 + ... + 72217.

It is an arithmetic number, because the mean of its divisors is an integer number (13792320).

Almost surely, 2^55025227 is an apocalyptic number.

55025227 is a deficient number, since it is larger than the sum of its proper divisors (144053).

55025227 is a wasteful number, since it uses less digits than its factorization.

55025227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144052.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 55025227 is about 7417.8990961053. The cubic root of 55025227 is about 380.3533808747.

The spelling of 55025227 in words is "fifty-five million, twenty-five thousand, two hundred twenty-seven".