52756957887 has 4 divisors (see below), whose sum is σ = 70342610520. Its totient is φ = 35171305256.

The previous prime is 52756957807. The next prime is 52756957901. The reversal of 52756957887 is 78875965725.

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

It is a cyclic number.

It is not a de Polignac number, because 52756957887 - 2¹⁶ = 52756892351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52756957807) 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, 8792826312 + ... + 8792826317.

It is an arithmetic number, because the mean of its divisors is an integer number (17585652630).

Almost surely, 2^52756957887 is an apocalyptic number.

52756957887 is a deficient number, since it is larger than the sum of its proper divisors (17585652633).

52756957887 is a wasteful number, since it uses less digits than its factorization.

52756957887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585652632.

The product of its digits is 296352000, while the sum is 69.

The spelling of 52756957887 in words is "fifty-two billion, seven hundred fifty-six million, nine hundred fifty-seven thousand, eight hundred eighty-seven".