54220152 has 64 divisors (see below), whose sum is σ = 157259520. Its totient is φ = 15257088.

The previous prime is 54220151. The next prime is 54220181. The reversal of 54220152 is 25102245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54220151) 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, 8848 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (2457180).

Almost surely, 2^54220152 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 54220152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78629760).

54220152 is an abundant number, since it is smaller than the sum of its proper divisors (103039368).

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

54220152 is a wasteful number, since it uses less digits than its factorization.

54220152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54220152 is about 7363.4334382814. The cubic root of 54220152 is about 378.4892743189.

Adding to 54220152 its reverse (25102245), we get a palindrome (79322397).

The spelling of 54220152 in words is "fifty-four million, two hundred twenty thousand, one hundred fifty-two".