53523414521 has 4 divisors (see below), whose sum is σ = 53606655312. Its totient is φ = 53440173732.

The previous prime is 53523414493. The next prime is 53523414547. The reversal of 53523414521 is 12541432535.

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 53523414521 - 2⁶ = 53523414457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53523414551) 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, 41619431 + ... + 41620716.

It is an arithmetic number, because the mean of its divisors is an integer number (13401663828).

Almost surely, 2^53523414521 is an apocalyptic number.

It is an amenable number.

53523414521 is a deficient number, since it is larger than the sum of its proper divisors (83240791).

53523414521 is an equidigital number, since it uses as much as digits as its factorization.

53523414521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83240790.

The product of its digits is 72000, while the sum is 35.

The spelling of 53523414521 in words is "fifty-three billion, five hundred twenty-three million, four hundred fourteen thousand, five hundred twenty-one".