55525015 has 16 divisors (see below), whose sum is σ = 82006848. Its totient is φ = 35145216.

The previous prime is 55524983. The next prime is 55525027. The reversal of 55525015 is 51052555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55525015 - 2⁵ = 55524983 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 60562 + ... + 61471.

It is an arithmetic number, because the mean of its divisors is an integer number (5125428).

Almost surely, 2^55525015 is an apocalyptic number.

55525015 is a deficient number, since it is larger than the sum of its proper divisors (26481833).

55525015 is a wasteful number, since it uses less digits than its factorization.

55525015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122058.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 55525015 is about 7451.5109206120. The cubic root of 55525015 is about 381.5014809502.

The spelling of 55525015 in words is "fifty-five million, five hundred twenty-five thousand, fifteen".