54391000 has 64 divisors (see below), whose sum is σ = 128700000. Its totient is φ = 21513600.

The previous prime is 54390991. The next prime is 54391003. The reversal of 54391000 is 19345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54391003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108751 + ... + 109249.

Almost surely, 2^54391000 is an apocalyptic number.

54391000 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 54391000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64350000).

54391000 is an abundant number, since it is smaller than the sum of its proper divisors (74309000).

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

54391000 is a wasteful number, since it uses less digits than its factorization.

54391000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 54391000 is about 7375.0254236850. The cubic root of 54391000 is about 378.8863980990.

The spelling of 54391000 in words is "fifty-four million, three hundred ninety-one thousand".