545456250 has 72 divisors (see below), whose sum is σ = 1477335132. Its totient is φ = 145440000.

The previous prime is 545456213. The next prime is 545456267. The reversal of 545456250 is 52654545.

545456250 is a `hidden beast` number, since 5 + 4 + 545 + 62 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 157326849 + 388129401 = 12543^2 + 19701^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51402 + ... + 61098.

Almost surely, 2^545456250 is an apocalyptic number.

545456250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545456250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738667566).

545456250 is an abundant number, since it is smaller than the sum of its proper divisors (931878882).

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

545456250 is an equidigital number, since it uses as much as digits as its factorization.

545456250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 545456250 is about 23355.0048169552. The cubic root of 545456250 is about 817.0587917444.

The spelling of 545456250 in words is "five hundred forty-five million, four hundred fifty-six thousand, two hundred fifty".