54445000 has 40 divisors (see below), whose sum is σ = 127576350. Its totient is φ = 21776000.

The previous prime is 54444989. The next prime is 54445057. The reversal of 54445000 is 54445.

It can be written as a sum of positive squares in 5 ways, for example, as 2056356 + 52388644 = 1434^2 + 7238^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 445 + ... + 10444.

Almost surely, 2^54445000 is an apocalyptic number.

54445000 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 54445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63788175).

54445000 is an abundant number, since it is smaller than the sum of its proper divisors (73131350).

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

54445000 is a wasteful number, since it uses less digits than its factorization.

54445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10915 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54445000 is about 7378.6855197928. The cubic root of 54445000 is about 379.0117441937.

Adding to 54445000 its reverse (54445), we get a palindrome (54499445).

54445000 divided by its reverse (54445) gives a cube (1000 = 10³).

The spelling of 54445000 in words is "fifty-four million, four hundred forty-five thousand".