55504115 has 16 divisors (see below), whose sum is σ = 69206400. Its totient is φ = 42682752.

The previous prime is 55504103. The next prime is 55504117. The reversal of 55504115 is 51140555.

It is a cyclic number.

It is not a de Polignac number, because 55504115 - 2⁶ = 55504051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55504117) 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 15 ways as a sum of consecutive naturals, for example, 38294 + ... + 39716.

It is an arithmetic number, because the mean of its divisors is an integer number (4325400).

Almost surely, 2^55504115 is an apocalyptic number.

55504115 is a deficient number, since it is larger than the sum of its proper divisors (13702285).

55504115 is a wasteful number, since it uses less digits than its factorization.

55504115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55504115 is about 7450.1083884733. The cubic root of 55504115 is about 381.4536083438.

The spelling of 55504115 in words is "fifty-five million, five hundred four thousand, one hundred fifteen".