555144032 has 48 divisors (see below), whose sum is σ = 1131242112. Its totient is φ = 267893760.

The previous prime is 555143971. The next prime is 555144043. The reversal of 555144032 is 230441555.

It is a junction number, because it is equal to n+sod(n) for n = 555143986 and 555144004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647348 + ... + 648204.

It is an arithmetic number, because the mean of its divisors is an integer number (23567544).

Almost surely, 2^555144032 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 555144032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565621056).

555144032 is an abundant number, since it is smaller than the sum of its proper divisors (576098080).

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

555144032 is a wasteful number, since it uses less digits than its factorization.

555144032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 555144032 is about 23561.4946894292. The cubic root of 555144032 is about 821.8676604317.

Adding to 555144032 its reverse (230441555), we get a palindrome (785585587).

The spelling of 555144032 in words is "five hundred fifty-five million, one hundred forty-four thousand, thirty-two".