53228375 has 16 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 42397600.

The previous prime is 53228359. The next prime is 53228387. The reversal of 53228375 is 57382235.

It is not a de Polignac number, because 53228375 - 2⁴ = 53228359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32834 + ... + 34416.

It is an arithmetic number, because the mean of its divisors is an integer number (4169880).

Almost surely, 2^53228375 is an apocalyptic number.

53228375 is a deficient number, since it is larger than the sum of its proper divisors (13489705).

53228375 is a wasteful number, since it uses less digits than its factorization.

53228375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1857 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 53228375 is about 7295.7778886148. Note that the first 3 decimals coincide. The cubic root of 53228375 is about 376.1673254626.

The spelling of 53228375 in words is "fifty-three million, two hundred twenty-eight thousand, three hundred seventy-five".