55235271 has 16 divisors (see below), whose sum is σ = 90642944. Its totient is φ = 29134944.

The previous prime is 55235251. The next prime is 55235281. The reversal of 55235271 is 17253255.

It is not a de Polignac number, because 55235271 - 2⁹ = 55234759 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100891 + ... + 101436.

It is an arithmetic number, because the mean of its divisors is an integer number (5665184).

Almost surely, 2^55235271 is an apocalyptic number.

55235271 is a deficient number, since it is larger than the sum of its proper divisors (35407673).

55235271 is a wasteful number, since it uses less digits than its factorization.

55235271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202350.

The product of its digits is 10500, while the sum is 30.

The square root of 55235271 is about 7432.0435278596. The cubic root of 55235271 is about 380.8367319414.

The spelling of 55235271 in words is "fifty-five million, two hundred thirty-five thousand, two hundred seventy-one".