55008115 has 4 divisors (see below), whose sum is σ = 66009744. Its totient is φ = 44006488.

The previous prime is 55008091. The next prime is 55008133. The reversal of 55008115 is 51180055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55008115 - 2⁷ = 55007987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55008115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500807 + ... + 5500816.

It is an arithmetic number, because the mean of its divisors is an integer number (16502436).

Almost surely, 2^55008115 is an apocalyptic number.

55008115 is a deficient number, since it is larger than the sum of its proper divisors (11001629).

55008115 is a wasteful number, since it uses less digits than its factorization.

55008115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001628.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 55008115 is about 7416.7455801045. The cubic root of 55008115 is about 380.3139487680.

The spelling of 55008115 in words is "fifty-five million, eight thousand, one hundred fifteen".