52031815779 has 8 divisors (see below), whose sum is σ = 69422540992. Its totient is φ = 34664483880.

The previous prime is 52031815763. The next prime is 52031815853. The reversal of 52031815779 is 97751813025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52031815779 - 2⁴ = 52031815763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52031815079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5843137 + ... + 5852034.

It is an arithmetic number, because the mean of its divisors is an integer number (8677817624).

Almost surely, 2^52031815779 is an apocalyptic number.

52031815779 is a deficient number, since it is larger than the sum of its proper divisors (17390725213).

52031815779 is a wasteful number, since it uses less digits than its factorization.

52031815779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696657.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 52031815779 in words is "fifty-two billion, thirty-one million, eight hundred fifteen thousand, seven hundred seventy-nine".