53846589991 has 8 divisors (see below), whose sum is σ = 55340549424. Its totient is φ = 52354664640.

The previous prime is 53846589959. The next prime is 53846590069. The reversal of 53846589991 is 19998564835.

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 53846589991 - 2⁵ = 53846589959 is a prime.

It is a super-2 number, since 2×53846589991² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53846589941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454765 + ... + 560806.

It is an arithmetic number, because the mean of its divisors is an integer number (6917568678).

Almost surely, 2^53846589991 is an apocalyptic number.

53846589991 is a deficient number, since it is larger than the sum of its proper divisors (1493959433).

53846589991 is a wasteful number, since it uses less digits than its factorization.

53846589991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017041.

The product of its digits is 83980800, while the sum is 67.

The spelling of 53846589991 in words is "fifty-three billion, eight hundred forty-six million, five hundred eighty-nine thousand, nine hundred ninety-one".