52000153521 has 8 divisors (see below), whose sum is σ = 69334619424. Its totient is φ = 34666228320.

The previous prime is 52000153511. The next prime is 52000153577. The reversal of 52000153521 is 12535100025.

It is a happy number.

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

It is not a de Polignac number, because 52000153521 - 2¹⁰ = 52000152497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52000153491 and 52000153500.

It is not an unprimeable number, because it can be changed into a prime (52000153511) 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, 230706 + ... + 396516.

It is an arithmetic number, because the mean of its divisors is an integer number (8666827428).

Almost surely, 2^52000153521 is an apocalyptic number.

It is an amenable number.

52000153521 is a deficient number, since it is larger than the sum of its proper divisors (17334465903).

52000153521 is a wasteful number, since it uses less digits than its factorization.

52000153521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270351.

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 52000153521 its reverse (12535100025), we get a palindrome (64535253546).

The spelling of 52000153521 in words is "fifty-two billion, one hundred fifty-three thousand, five hundred twenty-one".