54538540 has 24 divisors (see below), whose sum is σ = 130892832. Its totient is φ = 18698880.

The previous prime is 54538529. The next prime is 54538571. The reversal of 54538540 is 4583545.

It is a junction number, because it is equal to n+sod(n) for n = 54538496 and 54538505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194641 + ... + 194920.

It is an arithmetic number, because the mean of its divisors is an integer number (5453868).

Almost surely, 2^54538540 is an apocalyptic number.

It is an amenable number.

54538540 is an abundant number, since it is smaller than the sum of its proper divisors (76354292).

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

54538540 is a wasteful number, since it uses less digits than its factorization.

54538540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389577 (or 389575 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 54538540 is about 7385.0213269834. The cubic root of 54538540 is about 379.2286754977.

The spelling of 54538540 in words is "fifty-four million, five hundred thirty-eight thousand, five hundred forty".