54644500 has 48 divisors (see below), whose sum is σ = 120071952. Its totient is φ = 21724800.

The previous prime is 54644489. The next prime is 54644501. The reversal of 54644500 is 544645.

It can be written as a sum of positive squares in 8 ways, for example, as 5026564 + 49617936 = 2242^2 + 7044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54644501) 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, 146314 + ... + 146686.

It is an arithmetic number, because the mean of its divisors is an integer number (2501499).

Almost surely, 2^54644500 is an apocalyptic number.

54644500 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 54644500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60035976).

54644500 is an abundant number, since it is smaller than the sum of its proper divisors (65427452).

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

54644500 is a wasteful number, since it uses less digits than its factorization.

54644500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 54644500 is about 7392.1918265153. The cubic root of 54644500 is about 379.4741109600.

The spelling of 54644500 in words is "fifty-four million, six hundred forty-four thousand, five hundred".