54520422 has 32 divisors (see below), whose sum is σ = 119954304. Its totient is φ = 16518920.

The previous prime is 54520409. The next prime is 54520439. The reversal of 54520422 is 22402545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54520392 and 54520401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4573 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (3748572).

Almost surely, 2^54520422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54520422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59977152).

54520422 is an abundant number, since it is smaller than the sum of its proper divisors (65433882).

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

54520422 is a wasteful number, since it uses less digits than its factorization.

54520422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865 (or 6843 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54520422 is about 7383.7945529382. The cubic root of 54520422 is about 379.1866769029.

Adding to 54520422 its reverse (22402545), we get a palindrome (76922967).

The spelling of 54520422 in words is "fifty-four million, five hundred twenty thousand, four hundred twenty-two".