52057616531 has 4 divisors (see below), whose sum is σ = 52074472200. Its totient is φ = 52040760864.

The previous prime is 52057616437. The next prime is 52057616579. The reversal of 52057616531 is 13561675025.

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 52057616531 - 2¹⁰ = 52057615507 is a prime.

It is a super-2 number, since 2×52057616531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52057616231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423201 + ... + 8429378.

It is an arithmetic number, because the mean of its divisors is an integer number (13018618050).

Almost surely, 2^52057616531 is an apocalyptic number.

52057616531 is a deficient number, since it is larger than the sum of its proper divisors (16855669).

52057616531 is a wasteful number, since it uses less digits than its factorization.

52057616531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16855668.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 52057616531 in words is "fifty-two billion, fifty-seven million, six hundred sixteen thousand, five hundred thirty-one".