54880028 has 24 divisors (see below), whose sum is σ = 112728672. Its totient is φ = 22883904.

The previous prime is 54880027. The next prime is 54880039. The reversal of 54880028 is 82008845.

54880028 = 2797² + 2798² + ... + 2803².

54880028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×54880028³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54880028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54880027) 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 7 ways as a sum of consecutive naturals, for example, 25451 + ... + 27522.

It is an arithmetic number, because the mean of its divisors is an integer number (4697028).

Almost surely, 2^54880028 is an apocalyptic number.

It is an amenable number.

54880028 is an abundant number, since it is smaller than the sum of its proper divisors (57848644).

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

54880028 is a wasteful number, since it uses less digits than its factorization.

54880028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53021 (or 53019 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 54880028 is about 7408.1055608030. The cubic root of 54880028 is about 380.0185309523.

It can be divided in two parts, 548800 and 28, that multiplied together give a square (15366400 = 3920²).

The spelling of 54880028 in words is "fifty-four million, eight hundred eighty thousand, twenty-eight".