55525245 has 16 divisors (see below), whose sum is σ = 90168000. Its totient is φ = 29170944.

The previous prime is 55525241. The next prime is 55525273. The reversal of 55525245 is 54252555.

It is not a de Polignac number, because 55525245 - 2² = 55525241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26620 + ... + 28629.

It is an arithmetic number, because the mean of its divisors is an integer number (5635500).

Almost surely, 2^55525245 is an apocalyptic number.

It is an amenable number.

55525245 is a deficient number, since it is larger than the sum of its proper divisors (34642755).

55525245 is a wasteful number, since it uses less digits than its factorization.

55525245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55324.

The product of its digits is 50000, while the sum is 33.

The square root of 55525245 is about 7451.5263537077. The cubic root of 55525245 is about 381.5020077111.

The spelling of 55525245 in words is "fifty-five million, five hundred twenty-five thousand, two hundred forty-five".