54542224 has 20 divisors (see below), whose sum is σ = 115282800. Its totient is φ = 24791840.

The previous prime is 54542209. The next prime is 54542233. The reversal of 54542224 is 42224545.

It is a junction number, because it is equal to n+sod(n) for n = 54542192 and 54542201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154774 + ... + 155125.

It is an arithmetic number, because the mean of its divisors is an integer number (5764140).

Almost surely, 2^54542224 is an apocalyptic number.

It is an amenable number.

54542224 is an abundant number, since it is smaller than the sum of its proper divisors (60740576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54542224 is a wasteful number, since it uses less digits than its factorization.

54542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309918 (or 309912 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 54542224 is about 7385.2707465603. The cubic root of 54542224 is about 379.2372140894.

Adding to 54542224 its reverse (42224545), we get a palindrome (96766769).

The spelling of 54542224 in words is "fifty-four million, five hundred forty-two thousand, two hundred twenty-four".