55000571 has 2 divisors, whose sum is σ = 55000572. Its totient is φ = 55000570.

The previous prime is 55000553. The next prime is 55000597. The reversal of 55000571 is 17500055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55000571 - 2⁶ = 55000507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55000471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500285 + 27500286.

It is an arithmetic number, because the mean of its divisors is an integer number (27500286).

Almost surely, 2^55000571 is an apocalyptic number.

55000571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000571 is an equidigital number, since it uses as much as digits as its factorization.

55000571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 55000571 is about 7416.2369838079. The cubic root of 55000571 is about 380.2965621236.

The spelling of 55000571 in words is "fifty-five million, five hundred seventy-one", and thus it is an aban number.