54224545 has 4 divisors (see below), whose sum is σ = 65069460. Its totient is φ = 43379632.

The previous prime is 54224531. The next prime is 54224561. The reversal of 54224545 is 54542245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31404816 + 22819729 = 5604^2 + 4777^2 .

It is a cyclic number.

It is not a de Polignac number, because 54224545 - 2¹⁵ = 54191777 is a prime.

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, 5422450 + ... + 5422459.

It is an arithmetic number, because the mean of its divisors is an integer number (16267365).

Almost surely, 2^54224545 is an apocalyptic number.

It is an amenable number.

54224545 is a deficient number, since it is larger than the sum of its proper divisors (10844915).

54224545 is a wasteful number, since it uses less digits than its factorization.

54224545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844914.

The product of its digits is 32000, while the sum is 31.

The square root of 54224545 is about 7363.7317305833. The cubic root of 54224545 is about 378.4994959703.

The spelling of 54224545 in words is "fifty-four million, two hundred twenty-four thousand, five hundred forty-five".