55000063 has 4 divisors (see below), whose sum is σ = 55026400. Its totient is φ = 54973728.

The previous prime is 55000031. The next prime is 55000069. The reversal of 55000063 is 36000055.

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 55000063 - 2⁵ = 55000031 is a prime.

It is a Duffinian number.

55000063 is a modest number, since divided by 63 gives 55 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 55000063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9738 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (13756600).

Almost surely, 2^55000063 is an apocalyptic number.

55000063 is a deficient number, since it is larger than the sum of its proper divisors (26337).

55000063 is a wasteful number, since it uses less digits than its factorization.

55000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26336.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55000063 is about 7416.2027345536. The cubic root of 55000063 is about 380.2953912797.

The spelling of 55000063 in words is "fifty-five million, sixty-three", and thus it is an aban number and an uban number.