54332220 has 48 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 14150976.

The previous prime is 54332209. The next prime is 54332227. The reversal of 54332220 is 2223345.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54332227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7950 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^54332220 is an apocalyptic number.

It is an amenable number.

54332220 is an abundant number, since it is smaller than the sum of its proper divisors (101343300).

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

54332220 is a wasteful number, since it uses less digits than its factorization.

54332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21114 (or 21112 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 54332220 is about 7371.0392754346. The cubic root of 54332220 is about 378.7498622139.

Adding to 54332220 its reverse (2223345), we get a palindrome (56555565).

The spelling of 54332220 in words is "fifty-four million, three hundred thirty-two thousand, two hundred twenty".