54051031728 has 50 divisors (see below), whose sum is σ = 156439371044. Its totient is φ = 18017010144.

The previous prime is 54051031669. The next prime is 54051031729. The reversal of 54051031728 is 82713015045.

54051031728 is a `hidden beast` number, since 5 + 40 + 510 + 31 + 72 + 8 = 666.

It is a super-2 number, since 2×54051031728² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54051031692 and 54051031701.

It is not an unprimeable number, because it can be changed into a prime (54051031729) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20851726 + ... + 20854317.

Almost surely, 2^54051031728 is an apocalyptic number.

It is an amenable number.

54051031728 is an abundant number, since it is smaller than the sum of its proper divisors (102388339316).

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

54051031728 is a wasteful number, since it uses less digits than its factorization.

54051031728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41706063 (or 41706048 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 54051031728 in words is "fifty-four billion, fifty-one million, thirty-one thousand, seven hundred twenty-eight".