53334350513 has 4 divisors (see below), whose sum is σ = 53335147380. Its totient is φ = 53333553648.

The previous prime is 53334350507. The next prime is 53334350567. The reversal of 53334350513 is 31505343335.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7301360704 + 46032989809 = 85448^2 + 214553^2 .

It is a cyclic number.

It is not a de Polignac number, because 53334350513 - 2³⁴ = 36154481329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53334350593) 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, 287798 + ... + 435311.

It is an arithmetic number, because the mean of its divisors is an integer number (13333786845).

Almost surely, 2^53334350513 is an apocalyptic number.

It is an amenable number.

53334350513 is a deficient number, since it is larger than the sum of its proper divisors (796867).

53334350513 is an equidigital number, since it uses as much as digits as its factorization.

53334350513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796866.

The product of its (nonzero) digits is 121500, while the sum is 35.

Adding to 53334350513 its reverse (31505343335), we get a palindrome (84839693848).

The spelling of 53334350513 in words is "fifty-three billion, three hundred thirty-four million, three hundred fifty thousand, five hundred thirteen".