54728544 has 48 divisors (see below), whose sum is σ = 154716912. Its totient is φ = 16839168.

The previous prime is 54728543. The next prime is 54728561. The reversal of 54728544 is 44582745.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54728543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20679 + ... + 23174.

It is an arithmetic number, because the mean of its divisors is an integer number (3223269).

Almost surely, 2^54728544 is an apocalyptic number.

It is an amenable number.

54728544 is an abundant number, since it is smaller than the sum of its proper divisors (99988368).

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

54728544 is a wasteful number, since it uses less digits than its factorization.

54728544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43879 (or 43871 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 54728544 is about 7397.8742892807. The cubic root of 54728544 is about 379.6685567917.

The spelling of 54728544 in words is "fifty-four million, seven hundred twenty-eight thousand, five hundred forty-four".