54228495920 has 40 divisors (see below), whose sum is σ = 130148396160. Its totient is φ = 20991674880.

The previous prime is 54228495907. The next prime is 54228495929. The reversal of 54228495920 is 2959482245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (54228495929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10930685 + ... + 10935644.

It is an arithmetic number, because the mean of its divisors is an integer number (3253709904).

Almost surely, 2^54228495920 is an apocalyptic number.

It is an amenable number.

54228495920 is an abundant number, since it is smaller than the sum of its proper divisors (75919900240).

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

54228495920 is a wasteful number, since it uses less digits than its factorization.

54228495920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21866373 (or 21866367 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 54228495920 in words is "fifty-four billion, two hundred twenty-eight million, four hundred ninety-five thousand, nine hundred twenty".