55224125 has 16 divisors (see below), whose sum is σ = 75187008. Its totient is φ = 40162000.

The previous prime is 55224121. The next prime is 55224161. The reversal of 55224125 is 52142255.

It is not a de Polignac number, because 55224125 - 2² = 55224121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55224094 and 55224103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18707 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (4699188).

Almost surely, 2^55224125 is an apocalyptic number.

55224125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55224125 is a deficient number, since it is larger than the sum of its proper divisors (19962883).

55224125 is a wasteful number, since it uses less digits than its factorization.

55224125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40189 (or 40179 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 55224125 is about 7431.2936289720. The cubic root of 55224125 is about 380.8111136985.

The spelling of 55224125 in words is "fifty-five million, two hundred twenty-four thousand, one hundred twenty-five".