55100063 has 4 divisors (see below), whose sum is σ = 55922520. Its totient is φ = 54277608.

The previous prime is 55100039. The next prime is 55100069. The reversal of 55100063 is 36000155.

55100063 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 a de Polignac number, because none of the positive numbers 2^k-55100063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100069) 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 3 ways as a sum of consecutive naturals, for example, 411128 + ... + 411261.

It is an arithmetic number, because the mean of its divisors is an integer number (13980630).

Almost surely, 2^55100063 is an apocalyptic number.

55100063 is a deficient number, since it is larger than the sum of its proper divisors (822457).

55100063 is an equidigital number, since it uses as much as digits as its factorization.

55100063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822456.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 55100063 is about 7422.9416675601. The cubic root of 55100063 is about 380.5257335262.

The spelling of 55100063 in words is "fifty-five million, one hundred thousand, sixty-three".