44557000 has 64 divisors (see below), whose sum is σ = 110438640. Its totient is φ = 16768000.

The previous prime is 44556997. The next prime is 44557031. The reversal of 44557000 is 75544.

44557000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 10381284 + 34175716 = 3222^2 + 5846^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15690 + ... + 18310.

Almost surely, 2^44557000 is an apocalyptic number.

44557000 is a gapful number since it is divisible by the number (40) 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 44557000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55219320).

44557000 is an abundant number, since it is smaller than the sum of its proper divisors (65881640).

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

44557000 is a wasteful number, since it uses less digits than its factorization.

44557000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 44557000 is about 6675.1029954601. The cubic root of 44557000 is about 354.5182913065.

The spelling of 44557000 in words is "forty-four million, five hundred fifty-seven thousand".