53143227 has 12 divisors (see below), whose sum is σ = 78548184. Its totient is φ = 34604640.

The previous prime is 53143219. The next prime is 53143243. The reversal of 53143227 is 72234135.

It is not a de Polignac number, because 53143227 - 2³ = 53143219 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53143227.

It is not an unprimeable number, because it can be changed into a prime (53143217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68274 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (6545682).

Almost surely, 2^53143227 is an apocalyptic number.

53143227 is a deficient number, since it is larger than the sum of its proper divisors (25404957).

53143227 is a wasteful number, since it uses less digits than its factorization.

53143227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137370 (or 137367 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53143227 is about 7289.9401232109. The cubic root of 53143227 is about 375.9666368277.

The spelling of 53143227 in words is "fifty-three million, one hundred forty-three thousand, two hundred twenty-seven".