52156051727 has 4 divisors (see below), whose sum is σ = 56168055720. Its totient is φ = 48144047736.

The previous prime is 52156051721. The next prime is 52156051733. The reversal of 52156051727 is 72715065125.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (52156051721) and next prime (52156051733).

It is a cyclic number.

It is not a de Polignac number, because 52156051727 - 2¹⁶ = 52155986191 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 (52156051721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006001977 + ... + 2006002002.

It is an arithmetic number, because the mean of its divisors is an integer number (14042013930).

Almost surely, 2^52156051727 is an apocalyptic number.

52156051727 is a deficient number, since it is larger than the sum of its proper divisors (4012003993).

52156051727 is a wasteful number, since it uses less digits than its factorization.

52156051727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012003992.

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 52156051727 in words is "fifty-two billion, one hundred fifty-six million, fifty-one thousand, seven hundred twenty-seven".