55020271 has 2 divisors, whose sum is σ = 55020272. Its totient is φ = 55020270.

The previous prime is 55020269. The next prime is 55020293. The reversal of 55020271 is 17202055.

It is an a-pointer prime, because the next prime (55020293) can be obtained adding 55020271 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55020271 - 2¹ = 55020269 is a prime.

Together with 55020269, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55020871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27510135 + 27510136.

It is an arithmetic number, because the mean of its divisors is an integer number (27510136).

Almost surely, 2^55020271 is an apocalyptic number.

55020271 is a deficient number, since it is larger than the sum of its proper divisors (1).

55020271 is an equidigital number, since it uses as much as digits as its factorization.

55020271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 55020271 is about 7417.5650317338. The cubic root of 55020271 is about 380.3419613370.

The spelling of 55020271 in words is "fifty-five million, twenty thousand, two hundred seventy-one".