553189428 has 72 divisors (see below), whose sum is σ = 1551382560. Its totient is φ = 164784960.

The previous prime is 553189421. The next prime is 553189433. The reversal of 553189428 is 824981355.

553189428 is a `hidden beast` number, since 5 + 531 + 8 + 94 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553189421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11526 + ... + 35202.

It is an arithmetic number, because the mean of its divisors is an integer number (21546980).

Almost surely, 2^553189428 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 553189428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775691280).

553189428 is an abundant number, since it is smaller than the sum of its proper divisors (998193132).

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

553189428 is a wasteful number, since it uses less digits than its factorization.

553189428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757 (or 23752 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 553189428 is about 23519.9793367256. The cubic root of 553189428 is about 820.9019561743.

It can be divided in two parts, 55318 and 9428, that added together give a palindrome (64746).

The spelling of 553189428 in words is "five hundred fifty-three million, one hundred eighty-nine thousand, four hundred twenty-eight".