55323823 has 2 divisors, whose sum is σ = 55323824. Its totient is φ = 55323822.

The previous prime is 55323803. The next prime is 55323859. The reversal of 55323823 is 32832355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55323823 - 2⁹ = 55323311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55323803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27661911 + 27661912.

It is an arithmetic number, because the mean of its divisors is an integer number (27661912).

Almost surely, 2^55323823 is an apocalyptic number.

55323823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55323823 is an equidigital number, since it uses as much as digits as its factorization.

55323823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 55323823 is about 7437.9985883301. The cubic root of 55323823 is about 381.0401397031.

The spelling of 55323823 in words is "fifty-five million, three hundred twenty-three thousand, eight hundred twenty-three".