55886225 has 12 divisors (see below), whose sum is σ = 73375884. Its totient is φ = 42078720.

The previous prime is 55886209. The next prime is 55886227. The reversal of 55886225 is 52268855.

It can be written as a sum of positive squares in 6 ways, for example, as 2362369 + 53523856 = 1537^2 + 7316^2 .

It is not a de Polignac number, because 55886225 - 2⁴ = 55886209 is a prime.

It is a super-3 number, since 3×55886225³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55886227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65324 + ... + 66173.

It is an arithmetic number, because the mean of its divisors is an integer number (6114657).

Almost surely, 2^55886225 is an apocalyptic number.

It is an amenable number.

55886225 is a deficient number, since it is larger than the sum of its proper divisors (17489659).

55886225 is a wasteful number, since it uses less digits than its factorization.

55886225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131524 (or 131519 counting only the distinct ones).

The product of its digits is 192000, while the sum is 41.

The square root of 55886225 is about 7475.7089964765. The cubic root of 55886225 is about 382.3269611887.

The spelling of 55886225 in words is "fifty-five million, eight hundred eighty-six thousand, two hundred twenty-five".