55454225 has 12 divisors (see below), whose sum is σ = 69791664. Its totient is φ = 43699920.

The previous prime is 55454197. The next prime is 55454227. The reversal of 55454225 is 52245455.

It is not a de Polignac number, because 55454225 - 2⁸ = 55453969 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55454191 and 55454200.

It is not an unprimeable number, because it can be changed into a prime (55454227) 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, 14879 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (5815972).

Almost surely, 2^55454225 is an apocalyptic number.

It is an amenable number.

55454225 is a deficient number, since it is larger than the sum of its proper divisors (14337439).

55454225 is a wasteful number, since it uses less digits than its factorization.

55454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33184 (or 33179 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 55454225 is about 7446.7593622998. The cubic root of 55454225 is about 381.3392839356.

The spelling of 55454225 in words is "fifty-five million, four hundred fifty-four thousand, two hundred twenty-five".