54707220 has 72 divisors (see below), whose sum is σ = 166551840. Its totient is φ = 14535360.

The previous prime is 54707197. The next prime is 54707221. The reversal of 54707220 is 2270745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54707221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88071 + ... + 88689.

It is an arithmetic number, because the mean of its divisors is an integer number (2313220).

Almost surely, 2^54707220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54707220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83275920).

54707220 is an abundant number, since it is smaller than the sum of its proper divisors (111844620).

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

54707220 is a wasteful number, since it uses less digits than its factorization.

54707220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 54707220 is about 7396.4329240520. The cubic root of 54707220 is about 379.6192400279.

Adding to 54707220 its reverse (2270745), we get a palindrome (56977965).

The spelling of 54707220 in words is "fifty-four million, seven hundred seven thousand, two hundred twenty".