54225720 has 256 divisors, whose sum is σ = 196992000. Its totient is φ = 13229568.

The previous prime is 54225701. The next prime is 54225749. The reversal of 54225720 is 2752245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 919051 + ... + 919109.

It is an arithmetic number, because the mean of its divisors is an integer number (769500).

Almost surely, 2^54225720 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 54225720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98496000).

54225720 is an abundant number, since it is smaller than the sum of its proper divisors (142766280).

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

54225720 is a wasteful number, since it uses less digits than its factorization.

54225720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 54225720 is about 7363.8115130685. The cubic root of 54225720 is about 378.5022298718.

Adding to 54225720 its reverse (2752245), we get a palindrome (56977965).

It can be divided in two parts, 54225 and 720, that added together give a palindrome (54945).

The spelling of 54225720 in words is "fifty-four million, two hundred twenty-five thousand, seven hundred twenty".