53511271 has 8 divisors (see below), whose sum is σ = 60914304. Its totient is φ = 46531320.

The previous prime is 53511259. The next prime is 53511331. The reversal of 53511271 is 17211535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53511271 - 2⁹ = 53510759 is a prime.

It is a super-2 number, since 2×53511271² = 5726912248070882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53511071) 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 in 7 ways as a sum of consecutive naturals, for example, 105501 + ... + 106006.

It is an arithmetic number, because the mean of its divisors is an integer number (7614288).

Almost surely, 2^53511271 is an apocalyptic number.

53511271 is a deficient number, since it is larger than the sum of its proper divisors (7403033).

53511271 is a wasteful number, since it uses less digits than its factorization.

53511271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211541.

The product of its digits is 1050, while the sum is 25.

The square root of 53511271 is about 7315.1398482872. The cubic root of 53511271 is about 376.8325612560.

The spelling of 53511271 in words is "fifty-three million, five hundred eleven thousand, two hundred seventy-one".