54771728 has 20 divisors (see below), whose sum is σ = 115767888. Its totient is φ = 24896160.

The previous prime is 54771721. The next prime is 54771751. The reversal of 54771728 is 82717745.

It is not an unprimeable number, because it can be changed into a prime (54771721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155426 + ... + 155777.

Almost surely, 2^54771728 is an apocalyptic number.

It is an amenable number.

54771728 is an abundant number, since it is smaller than the sum of its proper divisors (60996160).

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

54771728 is a wasteful number, since it uses less digits than its factorization.

54771728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311222 (or 311216 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 54771728 is about 7400.7923900080. The cubic root of 54771728 is about 379.7683907192.

It can be divided in two parts, 547717 and 28, that added together give a palindrome (547745).

The spelling of 54771728 in words is "fifty-four million, seven hundred seventy-one thousand, seven hundred twenty-eight".