53234807521 has 4 divisors (see below), whose sum is σ = 60839780032. Its totient is φ = 45629835012.

The previous prime is 53234807503. The next prime is 53234807533. The reversal of 53234807521 is 12570843235.

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 53234807521 - 2⁵ = 53234807489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53234807501) 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, 3802486245 + ... + 3802486258.

It is an arithmetic number, because the mean of its divisors is an integer number (15209945008).

Almost surely, 2^53234807521 is an apocalyptic number.

It is an amenable number.

53234807521 is a deficient number, since it is larger than the sum of its proper divisors (7604972511).

53234807521 is an equidigital number, since it uses as much as digits as its factorization.

53234807521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604972510.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 53234807521 in words is "fifty-three billion, two hundred thirty-four million, eight hundred seven thousand, five hundred twenty-one".