54542028 has 12 divisors (see below), whose sum is σ = 127264760. Its totient is φ = 18180672.

The previous prime is 54542021. The next prime is 54542053. The reversal of 54542028 is 82024545.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 54541986 and 54542004.

It is not an unprimeable number, because it can be changed into a prime (54542021) 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, 2272573 + ... + 2272596.

Almost surely, 2^54542028 is an apocalyptic number.

It is an amenable number.

54542028 is an abundant number, since it is smaller than the sum of its proper divisors (72722732).

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

54542028 is a wasteful number, since it uses less digits than its factorization.

54542028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545176 (or 4545174 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 54542028 is about 7385.2574768927. The cubic root of 54542028 is about 379.2367598201.

The spelling of 54542028 in words is "fifty-four million, five hundred forty-two thousand, twenty-eight".