54895051820 has 36 divisors (see below), whose sum is σ = 134100771840. Its totient is φ = 18821160288.

The previous prime is 54895051801. The next prime is 54895051829. The reversal of 54895051820 is 2815059845.

It is not an unprimeable number, because it can be changed into a prime (54895051829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28006700 + ... + 28008659.

It is an arithmetic number, because the mean of its divisors is an integer number (3725021440).

Almost surely, 2^54895051820 is an apocalyptic number.

It is an amenable number.

54895051820 is an abundant number, since it is smaller than the sum of its proper divisors (79205720020).

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

54895051820 is a wasteful number, since it uses less digits than its factorization.

54895051820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56015382 (or 56015373 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 47.

The spelling of 54895051820 in words is "fifty-four billion, eight hundred ninety-five million, fifty-one thousand, eight hundred twenty".