55250825 has 24 divisors (see below), whose sum is σ = 78685440. Its totient is φ = 37699200.

The previous prime is 55250809. The next prime is 55250827. The reversal of 55250825 is 52805255.

55250825 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 55250825 - 2⁴ = 55250809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55250791 and 55250800.

It is not an unprimeable number, because it can be changed into a prime (55250827) 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, 41165 + ... + 42485.

It is an arithmetic number, because the mean of its divisors is an integer number (3278560).

Almost surely, 2^55250825 is an apocalyptic number.

It is an amenable number.

55250825 is a deficient number, since it is larger than the sum of its proper divisors (23434615).

55250825 is a wasteful number, since it uses less digits than its factorization.

55250825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55250825 is about 7433.0898689576. The cubic root of 55250825 is about 380.8724758811.

The spelling of 55250825 in words is "fifty-five million, two hundred fifty thousand, eight hundred twenty-five".