54043728 has 20 divisors (see below), whose sum is σ = 139613088. Its totient is φ = 18014560.

The previous prime is 54043727. The next prime is 54043739. The reversal of 54043728 is 82734045.

It is a super-2 number, since 2×54043728² = 5841449072275968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54043727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562908 + ... + 563003.

Almost surely, 2^54043728 is an apocalyptic number.

It is an amenable number.

54043728 is an abundant number, since it is smaller than the sum of its proper divisors (85569360).

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

54043728 is a wasteful number, since it uses less digits than its factorization.

54043728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125922 (or 1125916 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 54043728 is about 7351.4439397985. The cubic root of 54043728 is about 378.0783130483.

The spelling of 54043728 in words is "fifty-four million, forty-three thousand, seven hundred twenty-eight".