55025525 has 12 divisors (see below), whose sum is σ = 68439072. Its totient is φ = 43886640.

The previous prime is 55025521. The next prime is 55025561. The reversal of 55025525 is 52552055.

It is a happy number.

It is not a de Polignac number, because 55025525 - 2² = 55025521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55025521) 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, 5504 + ... + 11846.

It is an arithmetic number, because the mean of its divisors is an integer number (5703256).

Almost surely, 2^55025525 is an apocalyptic number.

It is an amenable number.

55025525 is a deficient number, since it is larger than the sum of its proper divisors (13413547).

55025525 is a wasteful number, since it uses less digits than its factorization.

55025525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700 (or 6695 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55025525 is about 7417.9191826280. The cubic root of 55025525 is about 380.3540674997.

The spelling of 55025525 in words is "fifty-five million, twenty-five thousand, five hundred twenty-five".