55703163 has 4 divisors (see below), whose sum is σ = 74270888. Its totient is φ = 37135440.

The previous prime is 55703149. The next prime is 55703177. The reversal of 55703163 is 36130755.

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

It is an interprime number because it is at equal distance from previous prime (55703149) and next prime (55703177).

It is not a de Polignac number, because 55703163 - 2⁴ = 55703147 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 55703163.

It is not an unprimeable number, because it can be changed into a prime (55703143) 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 3 ways as a sum of consecutive naturals, for example, 9283858 + ... + 9283863.

It is an arithmetic number, because the mean of its divisors is an integer number (18567722).

Almost surely, 2^55703163 is an apocalyptic number.

55703163 is a deficient number, since it is larger than the sum of its proper divisors (18567725).

55703163 is a wasteful number, since it uses less digits than its factorization.

55703163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567724.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 55703163 is about 7463.4551650023. The cubic root of 55703163 is about 381.9090520215.

The spelling of 55703163 in words is "fifty-five million, seven hundred three thousand, one hundred sixty-three".