54551959856 has 40 divisors (see below), whose sum is σ = 110137281120. Its totient is φ = 26143169024.

The previous prime is 54551959853. The next prime is 54551959909. The reversal of 54551959856 is 65895915545.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365516 + ... + 492651.

It is an arithmetic number, because the mean of its divisors is an integer number (2753432028).

Almost surely, 2^54551959856 is an apocalyptic number.

It is an amenable number.

54551959856 is an abundant number, since it is smaller than the sum of its proper divisors (55585321264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54551959856 is a wasteful number, since it uses less digits than its factorization.

54551959856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858341 (or 858335 counting only the distinct ones).

The product of its digits is 48600000, while the sum is 62.

The spelling of 54551959856 in words is "fifty-four billion, five hundred fifty-one million, nine hundred fifty-nine thousand, eight hundred fifty-six".