53321034513 has 4 divisors (see below), whose sum is σ = 71094712688. Its totient is φ = 35547356340.

The previous prime is 53321034511. The next prime is 53321034523. The reversal of 53321034513 is 31543012335.

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 53321034513 - 2¹ = 53321034511 is a prime.

It is a super-3 number, since 3×53321034513³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53321034511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8886839083 + ... + 8886839088.

It is an arithmetic number, because the mean of its divisors is an integer number (17773678172).

Almost surely, 2^53321034513 is an apocalyptic number.

It is an amenable number.

53321034513 is a deficient number, since it is larger than the sum of its proper divisors (17773678175).

53321034513 is a wasteful number, since it uses less digits than its factorization.

53321034513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17773678174.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 53321034513 its reverse (31543012335), we get a palindrome (84864046848).

The spelling of 53321034513 in words is "fifty-three billion, three hundred twenty-one million, thirty-four thousand, five hundred thirteen".