52042253849 has 4 divisors (see below), whose sum is σ = 52092343680. Its totient is φ = 51992164020.

The previous prime is 52042253797. The next prime is 52042253863. The reversal of 52042253849 is 94835224025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52042253849 - 2¹⁶ = 52042188313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52042250849) 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, 25043357 + ... + 25045434.

It is an arithmetic number, because the mean of its divisors is an integer number (13023085920).

Almost surely, 2^52042253849 is an apocalyptic number.

It is an amenable number.

52042253849 is a deficient number, since it is larger than the sum of its proper divisors (50089831).

52042253849 is a wasteful number, since it uses less digits than its factorization.

52042253849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50089830.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 52042253849 in words is "fifty-two billion, forty-two million, two hundred fifty-three thousand, eight hundred forty-nine".