54558940 has 24 divisors (see below), whose sum is σ = 114774912. Its totient is φ = 21785280.

The previous prime is 54558923. The next prime is 54558943. The reversal of 54558940 is 4985545.

It is a junction number, because it is equal to n+sod(n) for n = 54558893 and 54558902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54558943) 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, 11157 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (4782288).

Almost surely, 2^54558940 is an apocalyptic number.

It is an amenable number.

54558940 is an abundant number, since it is smaller than the sum of its proper divisors (60215972).

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

54558940 is a wasteful number, since it uses less digits than its factorization.

54558940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 54558940 is about 7386.4023719264. The cubic root of 54558940 is about 379.2759527723.

The spelling of 54558940 in words is "fifty-four million, five hundred fifty-eight thousand, nine hundred forty".