53356513505 has 8 divisors (see below), whose sum is σ = 66093229824. Its totient is φ = 41308268400.

The previous prime is 53356513481. The next prime is 53356513517. The reversal of 53356513505 is 50531565335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53356513505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 172117631 + ... + 172117940.

It is an arithmetic number, because the mean of its divisors is an integer number (8261653728).

Almost surely, 2^53356513505 is an apocalyptic number.

It is an amenable number.

53356513505 is a deficient number, since it is larger than the sum of its proper divisors (12736716319).

53356513505 is a wasteful number, since it uses less digits than its factorization.

53356513505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344235607.

The product of its (nonzero) digits is 506250, while the sum is 41.

The spelling of 53356513505 in words is "fifty-three billion, three hundred fifty-six million, five hundred thirteen thousand, five hundred five".