53287875 has 80 divisors (see below), whose sum is σ = 104950560. Its totient is φ = 26827200.

The previous prime is 53287867. The next prime is 53287891. The reversal of 53287875 is 57878235.

It is not a de Polignac number, because 53287875 - 2³ = 53287867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53287875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 192237 + ... + 192513.

It is an arithmetic number, because the mean of its divisors is an integer number (1311882).

Almost surely, 2^53287875 is an apocalyptic number.

53287875 is a deficient number, since it is larger than the sum of its proper divisors (51662685).

53287875 is a wasteful number, since it uses less digits than its factorization.

53287875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 304 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 53287875 is about 7299.8544506038. The cubic root of 53287875 is about 376.3074363297.

It can be divided in two parts, 5328 and 7875, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 53287875 in words is "fifty-three million, two hundred eighty-seven thousand, eight hundred seventy-five".