54205428 has 12 divisors (see below), whose sum is σ = 126479360. Its totient is φ = 18068472.

The previous prime is 54205421. The next prime is 54205433. The reversal of 54205428 is 82450245.

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 = 54205395 and 54205404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54205421) 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, 2258548 + ... + 2258571.

Almost surely, 2^54205428 is an apocalyptic number.

It is an amenable number.

54205428 is an abundant number, since it is smaller than the sum of its proper divisors (72273932).

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

54205428 is a wasteful number, since it uses less digits than its factorization.

54205428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517126 (or 4517124 counting only the distinct ones).

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

The square root of 54205428 is about 7362.4335650653. The cubic root of 54205428 is about 378.4550104250.

The spelling of 54205428 in words is "fifty-four million, two hundred five thousand, four hundred twenty-eight".