55823313 has 16 divisors (see below), whose sum is σ = 91607936. Its totient is φ = 29445120.

The previous prime is 55823309. The next prime is 55823351. The reversal of 55823313 is 31332855.

It is not a de Polignac number, because 55823313 - 2² = 55823309 is a prime.

It is the 7472-nd Hogben number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55823353) by changing a digit.

It is a nontrivial repunit in base 7471.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101968 + ... + 102513.

It is an arithmetic number, because the mean of its divisors is an integer number (5725496).

Almost surely, 2^55823313 is an apocalyptic number.

It is an amenable number.

55823313 is a deficient number, since it is larger than the sum of its proper divisors (35784623).

55823313 is a wasteful number, since it uses less digits than its factorization.

55823313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204504.

The product of its digits is 10800, while the sum is 30.

The square root of 55823313 is about 7471.5000501907. The cubic root of 55823313 is about 382.1834435030.

It can be divided in two parts, 558 and 23313, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 55823313 in words is "fifty-five million, eight hundred twenty-three thousand, three hundred thirteen".