54724572 has 126 divisors (see below), whose sum is σ = 167465088. Its totient is φ = 15594768.

The previous prime is 54724543. The next prime is 54724577. The reversal of 54724572 is 27542745.

It is a happy number.

54724572 is a `hidden beast` number, since 547 + 2 + 45 + 72 = 666.

54724572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (126).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54724577) by changing a digit.

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 41 ways as a sum of consecutive naturals, for example, 142693 + ... + 143075.

It is an arithmetic number, because the mean of its divisors is an integer number (1329088).

Almost surely, 2^54724572 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 54724572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83732544).

54724572 is an abundant number, since it is smaller than the sum of its proper divisors (112740516).

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

54724572 is a wasteful number, since it uses less digits than its factorization.

54724572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 395 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 54724572 is about 7397.6058289152. The cubic root of 54724572 is about 379.6593715788.

The spelling of 54724572 in words is "fifty-four million, seven hundred twenty-four thousand, five hundred seventy-two".