53155551613 has 8 divisors (see below), whose sum is σ = 53210233856. Its totient is φ = 53100900000.

The previous prime is 53155551607. The next prime is 53155551667. The reversal of 53155551613 is 31615555135.

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

It is a cyclic number.

It is not a de Polignac number, because 53155551613 - 2¹⁷ = 53155420541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53155581613) 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 7 ways as a sum of consecutive naturals, for example, 4985338 + ... + 4995988.

It is an arithmetic number, because the mean of its divisors is an integer number (6651279232).

Almost surely, 2^53155551613 is an apocalyptic number.

It is an amenable number.

53155551613 is a deficient number, since it is larger than the sum of its proper divisors (54682243).

53155551613 is a wasteful number, since it uses less digits than its factorization.

53155551613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15315.

The product of its digits is 168750, while the sum is 40.

The spelling of 53155551613 in words is "fifty-three billion, one hundred fifty-five million, five hundred fifty-one thousand, six hundred thirteen".