52029809939 has 4 divisors (see below), whose sum is σ = 52044238224. Its totient is φ = 52015381656.

The previous prime is 52029809917. The next prime is 52029809957. The reversal of 52029809939 is 93990892025.

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 52029809939 - 2⁸ = 52029809683 is a prime.

It is a super-2 number, since 2×52029809939² (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 (52029809989) 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, 7208732 + ... + 7215945.

It is an arithmetic number, because the mean of its divisors is an integer number (13011059556).

Almost surely, 2^52029809939 is an apocalyptic number.

52029809939 is a deficient number, since it is larger than the sum of its proper divisors (14428285).

52029809939 is a wasteful number, since it uses less digits than its factorization.

52029809939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428284.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 52029809939 in words is "fifty-two billion, twenty-nine million, eight hundred nine thousand, nine hundred thirty-nine".