52921634529 has 4 divisors (see below), whose sum is σ = 70562179376. Its totient is φ = 35281089684.

The previous prime is 52921634527. The next prime is 52921634561. The reversal of 52921634529 is 92543612925.

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 not a de Polignac number, because 52921634529 - 2¹ = 52921634527 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52921634527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820272419 + ... + 8820272424.

It is an arithmetic number, because the mean of its divisors is an integer number (17640544844).

Almost surely, 2^52921634529 is an apocalyptic number.

It is an amenable number.

52921634529 is a deficient number, since it is larger than the sum of its proper divisors (17640544847).

52921634529 is a wasteful number, since it uses less digits than its factorization.

52921634529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640544846.

The product of its digits is 1166400, while the sum is 48.

The spelling of 52921634529 in words is "fifty-two billion, nine hundred twenty-one million, six hundred thirty-four thousand, five hundred twenty-nine".