54217732 has 12 divisors (see below), whose sum is σ = 95947740. Its totient is φ = 26804096.

The previous prime is 54217721. The next prime is 54217747. The reversal of 54217732 is 23771245.

It can be written as a sum of positive squares in 2 ways, for example, as 7650756 + 46566976 = 2766^2 + 6824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54217694 and 54217703.

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, 75793 + ... + 76504.

It is an arithmetic number, because the mean of its divisors is an integer number (7995645).

Almost surely, 2^54217732 is an apocalyptic number.

It is an amenable number.

54217732 is a deficient number, since it is larger than the sum of its proper divisors (41730008).

54217732 is a wasteful number, since it uses less digits than its factorization.

54217732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152390 (or 152388 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 54217732 is about 7363.2691109316. The cubic root of 54217732 is about 378.4836432166.

Adding to 54217732 its reverse (23771245), we get a palindrome (77988977).

The spelling of 54217732 in words is "fifty-four million, two hundred seventeen thousand, seven hundred thirty-two".