54485445 has 64 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 22809600.

The previous prime is 54485443. The next prime is 54485477. The reversal of 54485445 is 54458445.

It is a happy number.

It is not a de Polignac number, because 54485445 - 2¹ = 54485443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54485441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61405 + ... + 62285.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^54485445 is an apocalyptic number.

It is an amenable number.

54485445 is a deficient number, since it is larger than the sum of its proper divisors (53894715).

54485445 is a wasteful number, since it uses less digits than its factorization.

54485445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 256000, while the sum is 39.

The square root of 54485445 is about 7381.4256753015. The cubic root of 54485445 is about 379.1055718226.

Subtracting from 54485445 its reverse (54458445), we obtain a cube (27000 = 30³).

The spelling of 54485445 in words is "fifty-four million, four hundred eighty-five thousand, four hundred forty-five".