55891751654 has 8 divisors (see below), whose sum is σ = 85787339880. Its totient is φ = 27295971696.

The previous prime is 55891751653. The next prime is 55891751677. The reversal of 55891751654 is 45615719855.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55891751654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55891751651) 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 3 ways as a sum of consecutive naturals, for example, 324951959 + ... + 324952130.

It is an arithmetic number, because the mean of its divisors is an integer number (10723417485).

Almost surely, 2^55891751654 is an apocalyptic number.

55891751654 is a deficient number, since it is larger than the sum of its proper divisors (29895588226).

55891751654 is a wasteful number, since it uses less digits than its factorization.

55891751654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649904134.

The product of its digits is 7560000, while the sum is 56.

The spelling of 55891751654 in words is "fifty-five billion, eight hundred ninety-one million, seven hundred fifty-one thousand, six hundred fifty-four".