54809000 has 64 divisors (see below), whose sum is σ = 133885440. Its totient is φ = 20961600.

The previous prime is 54808979. The next prime is 54809011. The reversal of 54809000 is 90845.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21809 + ... + 24191.

It is an arithmetic number, because the mean of its divisors is an integer number (2091960).

Almost surely, 2^54809000 is an apocalyptic number.

54809000 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 54809000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66942720).

54809000 is an abundant number, since it is smaller than the sum of its proper divisors (79076440).

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

54809000 is a wasteful number, since it uses less digits than its factorization.

54809000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 54809000 is about 7403.3100705022. The cubic root of 54809000 is about 379.8545149445.

Adding to 54809000 its reverse (90845), we get a palindrome (54899845).

The spelling of 54809000 in words is "fifty-four million, eight hundred nine thousand".