55005023 has 2 divisors, whose sum is σ = 55005024. Its totient is φ = 55005022.

The previous prime is 55005011. The next prime is 55005037. The reversal of 55005023 is 32050055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55005023 - 2⁸ = 55004767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55004986 and 55005004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55005073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502511 + 27502512.

It is an arithmetic number, because the mean of its divisors is an integer number (27502512).

Almost surely, 2^55005023 is an apocalyptic number.

55005023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005023 is an equidigital number, since it uses as much as digits as its factorization.

55005023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 55005023 is about 7416.5371299549. The cubic root of 55005023 is about 380.3068228329.

Adding to 55005023 its reverse (32050055), we get a palindrome (87055078).

The spelling of 55005023 in words is "fifty-five million, five thousand, twenty-three".