54428288 has 32 divisors (see below), whose sum is σ = 114814260. Its totient is φ = 25612288.

The previous prime is 54428249. The next prime is 54428299. The reversal of 54428288 is 88282445.

It can be written as a sum of positive squares in 2 ways, for example, as 42094144 + 12334144 = 6488^2 + 3512^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×54428288² = 5924877069221888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10331 + ... + 14682.

Almost surely, 2^54428288 is an apocalyptic number.

It is an amenable number.

54428288 is an abundant number, since it is smaller than the sum of its proper divisors (60385972).

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

54428288 is a wasteful number, since it uses less digits than its factorization.

54428288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25044 (or 25032 counting only the distinct ones).

The product of its digits is 163840, while the sum is 41.

The square root of 54428288 is about 7377.5529818497. The cubic root of 54428288 is about 378.9729607580.

The spelling of 54428288 in words is "fifty-four million, four hundred twenty-eight thousand, two hundred eighty-eight".