55125115 has 16 divisors (see below), whose sum is σ = 68412960. Its totient is φ = 42612480.

The previous prime is 55125113. The next prime is 55125139. The reversal of 55125115 is 51152155.

55125115 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 55125115 - 2¹ = 55125113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55125115.

It is not an unprimeable number, because it can be changed into a prime (55125113) 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 15 ways as a sum of consecutive naturals, for example, 21112 + ... + 23578.

It is an arithmetic number, because the mean of its divisors is an integer number (4275810).

Almost surely, 2^55125115 is an apocalyptic number.

55125115 is a deficient number, since it is larger than the sum of its proper divisors (13287845).

55125115 is a wasteful number, since it uses less digits than its factorization.

55125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622.

The product of its digits is 1250, while the sum is 25.

The square root of 55125115 is about 7424.6289469576. The cubic root of 55125115 is about 380.5833952043.

The spelling of 55125115 in words is "fifty-five million, one hundred twenty-five thousand, one hundred fifteen".