52553510521 has 8 divisors (see below), whose sum is σ = 52638286784. Its totient is φ = 52468804080.

The previous prime is 52553510479. The next prime is 52553510557. The reversal of 52553510521 is 12501535525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52553510521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52553510561) 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, 1608811 + ... + 1641151.

It is an arithmetic number, because the mean of its divisors is an integer number (6579785848).

Almost surely, 2^52553510521 is an apocalyptic number.

It is an amenable number.

52553510521 is a deficient number, since it is larger than the sum of its proper divisors (84776263).

52553510521 is a wasteful number, since it uses less digits than its factorization.

52553510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34911.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 52553510521 in words is "fifty-two billion, five hundred fifty-three million, five hundred ten thousand, five hundred twenty-one".