54005628 has 24 divisors (see below), whose sum is σ = 126137088. Its totient is φ = 17984176.

The previous prime is 54005621. The next prime is 54005639. The reversal of 54005628 is 82650045.

It is a junction number, because it is equal to n+sod(n) for n = 54005595 and 54005604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54005621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17575 + ... + 20417.

It is an arithmetic number, because the mean of its divisors is an integer number (5255712).

Almost surely, 2^54005628 is an apocalyptic number.

It is an amenable number.

54005628 is an abundant number, since it is smaller than the sum of its proper divisors (72131460).

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

54005628 is a wasteful number, since it uses less digits than its factorization.

54005628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4431 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 54005628 is about 7348.8521552689. The cubic root of 54005628 is about 377.9894456895.

The spelling of 54005628 in words is "fifty-four million, five thousand, six hundred twenty-eight".