55502825 has 12 divisors (see below), whose sum is σ = 78655680. Its totient is φ = 38058960.

The previous prime is 55502801. The next prime is 55502827. The reversal of 55502825 is 52820555.

It is not a de Polignac number, because 55502825 - 2⁶ = 55502761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55502791 and 55502800.

It is not an unprimeable number, because it can be changed into a prime (55502827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158405 + ... + 158754.

It is an arithmetic number, because the mean of its divisors is an integer number (6554640).

Almost surely, 2^55502825 is an apocalyptic number.

It is an amenable number.

55502825 is a deficient number, since it is larger than the sum of its proper divisors (23152855).

55502825 is a wasteful number, since it uses less digits than its factorization.

55502825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317176 (or 317171 counting only the distinct ones).

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

The square root of 55502825 is about 7450.0218120486. The cubic root of 55502825 is about 381.4506531337.

The spelling of 55502825 in words is "fifty-five million, five hundred two thousand, eight hundred twenty-five".