54545000 has 40 divisors (see below), whose sum is σ = 127810650. Its totient is φ = 21816000.

The previous prime is 54544981. The next prime is 54545009. The reversal of 54545000 is 54545.

It can be written as a sum of positive squares in 5 ways, for example, as 51076 + 54493924 = 226^2 + 7382^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54545009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 455 + ... + 10454.

Almost surely, 2^54545000 is an apocalyptic number.

54545000 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 54545000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63905325).

54545000 is an abundant number, since it is smaller than the sum of its proper divisors (73265650).

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

54545000 is a wasteful number, since it uses less digits than its factorization.

54545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 54545000 is about 7385.4586858231. The cubic root of 54545000 is about 379.2436479100.

Adding to 54545000 its reverse (54545), we get a palindrome (54599545).

54545000 divided by its reverse (54545) gives a cube (1000 = 10³).

The spelling of 54545000 in words is "fifty-four million, five hundred forty-five thousand".