52135228 has 6 divisors (see below), whose sum is σ = 91236656. Its totient is φ = 26067612.

The previous prime is 52135219. The next prime is 52135247. The reversal of 52135228 is 82253125.

52135228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52135228² = 5436163997223968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52135196 and 52135205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516900 + ... + 6516907.

Almost surely, 2^52135228 is an apocalyptic number.

It is an amenable number.

52135228 is a deficient number, since it is larger than the sum of its proper divisors (39101428).

52135228 is a wasteful number, since it uses less digits than its factorization.

52135228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033811 (or 13033809 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 52135228 is about 7220.4728377025. The cubic root of 52135228 is about 373.5743869111.

The spelling of 52135228 in words is "fifty-two million, one hundred thirty-five thousand, two hundred twenty-eight".