53785955613 has 8 divisors (see below), whose sum is σ = 77231115808. Its totient is φ = 33099049584.

The previous prime is 53785955581. The next prime is 53785955633. The reversal of 53785955613 is 31655958735.

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

It is not a de Polignac number, because 53785955613 - 2⁵ = 53785955581 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 (53785955633) 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, 689563495 + ... + 689563572.

It is an arithmetic number, because the mean of its divisors is an integer number (9653889476).

Almost surely, 2^53785955613 is an apocalyptic number.

It is an amenable number.

53785955613 is a deficient number, since it is larger than the sum of its proper divisors (23445160195).

53785955613 is a wasteful number, since it uses less digits than its factorization.

53785955613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379127083.

The product of its digits is 17010000, while the sum is 57.

The spelling of 53785955613 in words is "fifty-three billion, seven hundred eighty-five million, nine hundred fifty-five thousand, six hundred thirteen".