54522145 has 8 divisors (see below), whose sum is σ = 69275304. Its totient is φ = 41051904.

The previous prime is 54522133. The next prime is 54522173. The reversal of 54522145 is 54122545.

It can be written as a sum of positive squares in 4 ways, for example, as 18809569 + 35712576 = 4337^2 + 5976^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54522145 - 2²¹ = 52424993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320634 + ... + 320803.

It is an arithmetic number, because the mean of its divisors is an integer number (8659413).

Almost surely, 2^54522145 is an apocalyptic number.

It is an amenable number.

54522145 is a deficient number, since it is larger than the sum of its proper divisors (14753159).

54522145 is a wasteful number, since it uses less digits than its factorization.

54522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641459.

The product of its digits is 8000, while the sum is 28.

The square root of 54522145 is about 7383.9112264436. The cubic root of 54522145 is about 379.1906713190.

The spelling of 54522145 in words is "fifty-four million, five hundred twenty-two thousand, one hundred forty-five".