55175233 has 2 divisors, whose sum is σ = 55175234. Its totient is φ = 55175232.

The previous prime is 55175213. The next prime is 55175261. The reversal of 55175233 is 33257155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 49 = 7428^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 55175233 - 2⁵ = 55175201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55175195 and 55175204.

It is not a weakly prime, because it can be changed into another prime (55175213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27587616 + 27587617.

It is an arithmetic number, because the mean of its divisors is an integer number (27587617).

Almost surely, 2^55175233 is an apocalyptic number.

It is an amenable number.

55175233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55175233 is an equidigital number, since it uses as much as digits as its factorization.

55175233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 31.

The square root of 55175233 is about 7428.0032983299. The cubic root of 55175233 is about 380.6986983711.

The spelling of 55175233 in words is "fifty-five million, one hundred seventy-five thousand, two hundred thirty-three".