55323163 has 8 divisors (see below), whose sum is σ = 63387360. Its totient is φ = 47299200.

The previous prime is 55323139. The next prime is 55323187. The reversal of 55323163 is 36132355.

It is an interprime number because it is at equal distance from previous prime (55323139) and next prime (55323187).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55323163 - 2²⁵ = 21768731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55323113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (7923420).

Almost surely, 2^55323163 is an apocalyptic number.

55323163 is a deficient number, since it is larger than the sum of its proper divisors (8064197).

55323163 is a wasteful number, since it uses less digits than its factorization.

55323163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117.

The product of its digits is 8100, while the sum is 28.

The square root of 55323163 is about 7437.9542214241. The cubic root of 55323163 is about 381.0386244578.

It can be divided in two parts, 553 and 23163, that added together give a square (23716 = 154²).

The spelling of 55323163 in words is "fifty-five million, three hundred twenty-three thousand, one hundred sixty-three".