54001445 has 4 divisors (see below), whose sum is σ = 64801740. Its totient is φ = 43201152.

The previous prime is 54001399. The next prime is 54001499. The reversal of 54001445 is 54410045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54410045 = 5 ⋅10882009.

It can be written as a sum of positive squares in 2 ways, for example, as 17447329 + 36554116 = 4177^2 + 6046^2 .

It is a cyclic number.

It is not a de Polignac number, because 54001445 - 2²² = 49807141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54001445.

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, 5400140 + ... + 5400149.

It is an arithmetic number, because the mean of its divisors is an integer number (16200435).

Almost surely, 2^54001445 is an apocalyptic number.

It is an amenable number.

54001445 is a deficient number, since it is larger than the sum of its proper divisors (10800295).

54001445 is a wasteful number, since it uses less digits than its factorization.

54001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800294.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54001445 is about 7348.5675474884. The cubic root of 54001445 is about 377.9796863938.

The spelling of 54001445 in words is "fifty-four million, one thousand, four hundred forty-five".