55001995 has 4 divisors (see below), whose sum is σ = 66002400. Its totient is φ = 44001592.

The previous prime is 55001981. The next prime is 55002011. The reversal of 55001995 is 59910055.

55001995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55001995 - 2⁵ = 55001963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55001995.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5500195 + ... + 5500204.

It is an arithmetic number, because the mean of its divisors is an integer number (16500600).

Almost surely, 2^55001995 is an apocalyptic number.

55001995 is a deficient number, since it is larger than the sum of its proper divisors (11000405).

55001995 is a wasteful number, since it uses less digits than its factorization.

55001995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000404.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 55001995 is about 7416.3329887485. The cubic root of 55001995 is about 380.2998441358.

The spelling of 55001995 in words is "fifty-five million, one thousand, nine hundred ninety-five".