54511000 has 96 divisors (see below), whose sum is σ = 135514080. Its totient is φ = 20520000.

The previous prime is 54510991. The next prime is 54511001. The reversal of 54511000 is 11545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54511001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360925 + ... + 361075.

It is an arithmetic number, because the mean of its divisors is an integer number (1411605).

Almost surely, 2^54511000 is an apocalyptic number.

54511000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54511000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67757040).

54511000 is an abundant number, since it is smaller than the sum of its proper divisors (81003080).

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

54511000 is a wasteful number, since it uses less digits than its factorization.

54511000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 54511000 is about 7383.1565065357. The cubic root of 54511000 is about 379.1648324724.

Adding to 54511000 its reverse (11545), we get a palindrome (54522545).

The spelling of 54511000 in words is "fifty-four million, five hundred eleven thousand".