52539975 has 48 divisors (see below), whose sum is σ = 97211040. Its totient is φ = 27820800.

The previous prime is 52539973. The next prime is 52539989. The reversal of 52539975 is 57993525.

52539975 is a `hidden beast` number, since 525 + 39 + 97 + 5 = 666.

It is not a de Polignac number, because 52539975 - 2¹ = 52539973 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 52539975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52539973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186835 + ... + 187115.

It is an arithmetic number, because the mean of its divisors is an integer number (2025230).

Almost surely, 2^52539975 is an apocalyptic number.

52539975 is a deficient number, since it is larger than the sum of its proper divisors (44671065).

52539975 is a wasteful number, since it uses less digits than its factorization.

52539975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 566 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 52539975 is about 7248.4463852608. The cubic root of 52539975 is about 374.5386326065.

The spelling of 52539975 in words is "fifty-two million, five hundred thirty-nine thousand, nine hundred seventy-five".