54720620 has 48 divisors (see below), whose sum is σ = 122381280. Its totient is φ = 20481024.

The previous prime is 54720619. The next prime is 54720641. The reversal of 54720620 is 2602745.

54720620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 54720620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76826 + ... + 77534.

It is an arithmetic number, because the mean of its divisors is an integer number (2549610).

Almost surely, 2^54720620 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 54720620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61190640).

54720620 is an abundant number, since it is smaller than the sum of its proper divisors (67660660).

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

54720620 is a wasteful number, since it uses less digits than its factorization.

54720620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 54720620 is about 7397.3387106445. The cubic root of 54720620 is about 379.6502321745.

The spelling of 54720620 in words is "fifty-four million, seven hundred twenty thousand, six hundred twenty".