55456225 has 24 divisors (see below), whose sum is σ = 75352320. Its totient is φ = 40152000.

The previous prime is 55456223. The next prime is 55456249. The reversal of 55456225 is 52265455.

55456225 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 55456225 - 2¹ = 55456223 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55456223) 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, 115536 + ... + 116014.

It is an arithmetic number, because the mean of its divisors is an integer number (3139680).

Almost surely, 2^55456225 is an apocalyptic number.

55456225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55456225 is a deficient number, since it is larger than the sum of its proper divisors (19896095).

55456225 is a wasteful number, since it uses less digits than its factorization.

55456225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 55456225 is about 7446.8936476896. The cubic root of 55456225 is about 381.3438683136.

The spelling of 55456225 in words is "fifty-five million, four hundred fifty-six thousand, two hundred twenty-five".