53343000521 has 4 divisors (see below), whose sum is σ = 53611056000. Its totient is φ = 53074945044.

The previous prime is 53343000509. The next prime is 53343000563. The reversal of 53343000521 is 12500034335.

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 53343000521 - 2⁶ = 53343000457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53343000421) 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, 134027441 + ... + 134027838.

It is an arithmetic number, because the mean of its divisors is an integer number (13402764000).

Almost surely, 2^53343000521 is an apocalyptic number.

It is an amenable number.

53343000521 is a deficient number, since it is larger than the sum of its proper divisors (268055479).

53343000521 is a wasteful number, since it uses less digits than its factorization.

53343000521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268055478.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 53343000521 its reverse (12500034335), we get a palindrome (65843034856).

The spelling of 53343000521 in words is "fifty-three billion, three hundred forty-three million, five hundred twenty-one", and thus it is an aban number.