52887539 has 4 divisors (see below), whose sum is σ = 53411280. Its totient is φ = 52363800.

The previous prime is 52887533. The next prime is 52887559. The reversal of 52887539 is 93578825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52887539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52887493 and 52887502.

It is not an unprimeable number, because it can be changed into a prime (52887533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261719 + ... + 261920.

It is an arithmetic number, because the mean of its divisors is an integer number (13352820).

Almost surely, 2^52887539 is an apocalyptic number.

52887539 is a deficient number, since it is larger than the sum of its proper divisors (523741).

52887539 is a wasteful number, since it uses less digits than its factorization.

52887539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523740.

The product of its digits is 604800, while the sum is 47.

The square root of 52887539 is about 7272.3819344146. The cubic root of 52887539 is about 375.3627044822.

It can be divided in two parts, 52 and 887539, that multiplied together give a triangular number (46152028 = T₉₆₀₇).

The spelling of 52887539 in words is "fifty-two million, eight hundred eighty-seven thousand, five hundred thirty-nine".