54405422 has 4 divisors (see below), whose sum is σ = 81608136. Its totient is φ = 27202710.

The previous prime is 54405397. The next prime is 54405431. The reversal of 54405422 is 22450445.

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

It is a junction number, because it is equal to n+sod(n) for n = 54405391 and 54405400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13601354 + ... + 13601357.

It is an arithmetic number, because the mean of its divisors is an integer number (20402034).

Almost surely, 2^54405422 is an apocalyptic number.

54405422 is a deficient number, since it is larger than the sum of its proper divisors (27202714).

54405422 is a wasteful number, since it uses less digits than its factorization.

54405422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27202713.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 54405422 is about 7376.0031182206. The cubic root of 54405422 is about 378.9198829081.

Adding to 54405422 its reverse (22450445), we get a palindrome (76855867).

The spelling of 54405422 in words is "fifty-four million, four hundred five thousand, four hundred twenty-two".