54551959859 has 8 divisors (see below), whose sum is σ = 55745057280. Its totient is φ = 53360213256.

The previous prime is 54551959853. The next prime is 54551959909. The reversal of 54551959859 is 95895915545.

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 54551959859 - 2¹² = 54551955763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54551959795 and 54551959804.

It is not an unprimeable number, because it can be changed into a prime (54551959853) 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, 255839 + ... + 417800.

It is an arithmetic number, because the mean of its divisors is an integer number (6968132160).

Almost surely, 2^54551959859 is an apocalyptic number.

54551959859 is a deficient number, since it is larger than the sum of its proper divisors (1193097421).

54551959859 is a wasteful number, since it uses less digits than its factorization.

54551959859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675409.

The product of its digits is 72900000, while the sum is 65.

The spelling of 54551959859 in words is "fifty-four billion, five hundred fifty-one million, nine hundred fifty-nine thousand, eight hundred fifty-nine".