52687942813 has 16 divisors (see below), whose sum is σ = 57604181760. Its totient is φ = 47792908800.

The previous prime is 52687942789. The next prime is 52687942831. The reversal of 52687942813 is 31824978625.

It is a cyclic number.

It is not a de Polignac number, because 52687942813 - 2⁵ = 52687942781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52687942883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11311381 + ... + 11316037.

It is an arithmetic number, because the mean of its divisors is an integer number (3600261360).

Almost surely, 2^52687942813 is an apocalyptic number.

It is an amenable number.

52687942813 is a deficient number, since it is larger than the sum of its proper divisors (4916238947).

52687942813 is a wasteful number, since it uses less digits than its factorization.

52687942813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708.

The product of its digits is 5806080, while the sum is 55.

The spelling of 52687942813 in words is "fifty-two billion, six hundred eighty-seven million, nine hundred forty-two thousand, eight hundred thirteen".