54888428 has 36 divisors (see below), whose sum is σ = 112393512. Its totient is φ = 23385600.

The previous prime is 54888401. The next prime is 54888437. The reversal of 54888428 is 82488845.

It is a super-2 number, since 2×54888428² = 6025479056622368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37103 + ... + 38553.

It is an arithmetic number, because the mean of its divisors is an integer number (3122042).

Almost surely, 2^54888428 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 54888428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56196756).

54888428 is an abundant number, since it is smaller than the sum of its proper divisors (57505084).

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

54888428 is a wasteful number, since it uses less digits than its factorization.

54888428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1653 counting only the distinct ones).

The product of its digits is 655360, while the sum is 47.

The square root of 54888428 is about 7408.6724856751. The cubic root of 54888428 is about 380.0379186538.

The spelling of 54888428 in words is "fifty-four million, eight hundred eighty-eight thousand, four hundred twenty-eight".