54128869504 has 32 divisors (see below), whose sum is σ = 107846563500. Its totient is φ = 27061496832.

The previous prime is 54128869493. The next prime is 54128869523. The reversal of 54128869504 is 40596882145.

It can be written as a sum of positive squares in 2 ways, for example, as 45710440000 + 8418429504 = 213800^2 + 91752^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×54128869504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616322 + ... + 1649470.

Almost surely, 2^54128869504 is an apocalyptic number.

It is an amenable number.

54128869504 is a deficient number, since it is larger than the sum of its proper divisors (53717693996).

54128869504 is a wasteful number, since it uses less digits than its factorization.

54128869504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45920 (or 45908 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 54128869504 in words is "fifty-four billion, one hundred twenty-eight million, eight hundred sixty-nine thousand, five hundred four".