55726163 has 4 divisors (see below), whose sum is σ = 55750248. Its totient is φ = 55702080.

The previous prime is 55726159. The next prime is 55726199. The reversal of 55726163 is 36162755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36162755 = 5 ⋅7232551.

It is a cyclic number.

It is not a de Polignac number, because 55726163 - 2² = 55726159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55726133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8153 + ... + 13338.

It is an arithmetic number, because the mean of its divisors is an integer number (13937562).

Almost surely, 2^55726163 is an apocalyptic number.

55726163 is a deficient number, since it is larger than the sum of its proper divisors (24085).

55726163 is a wasteful number, since it uses less digits than its factorization.

55726163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24084.

The product of its digits is 37800, while the sum is 35.

The square root of 55726163 is about 7464.9958472862. The cubic root of 55726163 is about 381.9616085793.

The spelling of 55726163 in words is "fifty-five million, seven hundred twenty-six thousand, one hundred sixty-three".