54224557 has 4 divisors (see below), whose sum is σ = 54722140. Its totient is φ = 53726976.

The previous prime is 54224531. The next prime is 54224561. The reversal of 54224557 is 75542245.

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 44169316 + 10055241 = 6646^2 + 3171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54224557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54224857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248628 + ... + 248845.

It is an arithmetic number, because the mean of its divisors is an integer number (13680535).

Almost surely, 2^54224557 is an apocalyptic number.

It is an amenable number.

54224557 is a deficient number, since it is larger than the sum of its proper divisors (497583).

54224557 is a wasteful number, since it uses less digits than its factorization.

54224557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497582.

The product of its digits is 56000, while the sum is 34.

The square root of 54224557 is about 7363.7325453876. The cubic root of 54224557 is about 378.4995238912.

The spelling of 54224557 in words is "fifty-four million, two hundred twenty-four thousand, five hundred fifty-seven".