52985723529 has 8 divisors (see below), whose sum is σ = 74365927840. Its totient is φ = 33464667456.

The previous prime is 52985723449. The next prime is 52985723533. The reversal of 52985723529 is 92532758925.

52985723529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52985723529 - 2¹³ = 52985715337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 929574097 = 52985723529 / (5 + 2 + 9 + 8 + 5 + 7 + 2 + 3 + 5 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52985723569) 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, 464786992 + ... + 464787105.

It is an arithmetic number, because the mean of its divisors is an integer number (9295740980).

Almost surely, 2^52985723529 is an apocalyptic number.

It is an amenable number.

52985723529 is a deficient number, since it is larger than the sum of its proper divisors (21380204311).

52985723529 is a wasteful number, since it uses less digits than its factorization.

52985723529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929574119.

The product of its digits is 13608000, while the sum is 57.

The spelling of 52985723529 in words is "fifty-two billion, nine hundred eighty-five million, seven hundred twenty-three thousand, five hundred twenty-nine".