55891716933 has 8 divisors (see below), whose sum is σ = 80254773088. Its totient is φ = 34394902704.

The previous prime is 55891716931. The next prime is 55891716943. The reversal of 55891716933 is 33961719855.

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

It is not a de Polignac number, because 55891716933 - 2¹ = 55891716931 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 (55891716931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716560435 + ... + 716560512.

It is an arithmetic number, because the mean of its divisors is an integer number (10031846636).

Almost surely, 2^55891716933 is an apocalyptic number.

It is an amenable number.

55891716933 is a deficient number, since it is larger than the sum of its proper divisors (24363056155).

55891716933 is a wasteful number, since it uses less digits than its factorization.

55891716933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433120963.

The product of its digits is 6123600, while the sum is 57.

The spelling of 55891716933 in words is "fifty-five billion, eight hundred ninety-one million, seven hundred sixteen thousand, nine hundred thirty-three".