55163123 has 8 divisors (see below), whose sum is σ = 55834800. Its totient is φ = 54495648.

The previous prime is 55163083. The next prime is 55163149. The reversal of 55163123 is 32136155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55163123 is a prime.

It is a super-2 number, since 2×55163123² = 6085940278226258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55163092 and 55163101.

It is not an unprimeable number, because it can be changed into a prime (55163923) 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, 30965 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (6979350).

Almost surely, 2^55163123 is an apocalyptic number.

55163123 is a deficient number, since it is larger than the sum of its proper divisors (671677).

55163123 is a wasteful number, since it uses less digits than its factorization.

55163123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 2700, while the sum is 26.

The square root of 55163123 is about 7427.1880951003. The cubic root of 55163123 is about 380.6708440948.

Adding to 55163123 its reverse (32136155), we get a palindrome (87299278).

The spelling of 55163123 in words is "fifty-five million, one hundred sixty-three thousand, one hundred twenty-three".