54445085 has 4 divisors (see below), whose sum is σ = 65334108. Its totient is φ = 43556064.

The previous prime is 54445073. The next prime is 54445091. The reversal of 54445085 is 58054445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58054445 = 5 ⋅11610889.

It can be written as a sum of positive squares in 2 ways, for example, as 18887716 + 35557369 = 4346^2 + 5963^2 .

It is a cyclic number.

It is not a de Polignac number, because 54445085 - 2¹⁴ = 54428701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444504 + ... + 5444513.

It is an arithmetic number, because the mean of its divisors is an integer number (16333527).

Almost surely, 2^54445085 is an apocalyptic number.

It is an amenable number.

54445085 is a deficient number, since it is larger than the sum of its proper divisors (10889023).

54445085 is a wasteful number, since it uses less digits than its factorization.

54445085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889022.

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 54445085 is about 7378.6912796240. The cubic root of 54445085 is about 379.0119414324.

The spelling of 54445085 in words is "fifty-four million, four hundred forty-five thousand, eighty-five".