54428165456 has 40 divisors (see below), whose sum is σ = 120533535360. Its totient is φ = 23323641984.

The previous prime is 54428165443. The next prime is 54428165489. The reversal of 54428165456 is 65456182445.

It is a congruent number.

It is an unprimeable number.

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, 1160510 + ... + 1206498.

It is an arithmetic number, because the mean of its divisors is an integer number (3013338384).

Almost surely, 2^54428165456 is an apocalyptic number.

54428165456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54428165456 is an abundant number, since it is smaller than the sum of its proper divisors (66105369904).

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

54428165456 is a wasteful number, since it uses less digits than its factorization.

54428165456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56571 (or 56565 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 50.

The spelling of 54428165456 in words is "fifty-four billion, four hundred twenty-eight million, one hundred sixty-five thousand, four hundred fifty-six".