54828122728 has 32 divisors (see below), whose sum is σ = 103631283360. Its totient is φ = 27193291840.

The previous prime is 54828122719. The next prime is 54828122761. The reversal of 54828122728 is 82722182845.

It is a super-2 number, since 2×54828122728² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2812551 + ... + 2831977.

It is an arithmetic number, because the mean of its divisors is an integer number (3238477605).

Almost surely, 2^54828122728 is an apocalyptic number.

It is an amenable number.

54828122728 is a deficient number, since it is larger than the sum of its proper divisors (48803160632).

54828122728 is a wasteful number, since it uses less digits than its factorization.

54828122728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22257 (or 22253 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 49.

The spelling of 54828122728 in words is "fifty-four billion, eight hundred twenty-eight million, one hundred twenty-two thousand, seven hundred twenty-eight".