1055504432 has 40 divisors (see below), whose sum is σ = 2171736000. Its totient is φ = 495240192.

The previous prime is 1055504413. The next prime is 1055504441. The reversal of 1055504432 is 2344055501.

It is a super-2 number, since 2×1055504432² = 2228179211943285248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055504395 and 1055504404.

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, 89369 + ... + 100487.

It is an arithmetic number, because the mean of its divisors is an integer number (54293400).

Almost surely, 2^1055504432 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 1055504432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085868000).

1055504432 is an abundant number, since it is smaller than the sum of its proper divisors (1116231568).

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

1055504432 is a wasteful number, since it uses less digits than its factorization.

1055504432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493 (or 11487 counting only the distinct ones).

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

The square root of 1055504432 is about 32488.5276982507. The cubic root of 1055504432 is about 1018.1693525723.

Adding to 1055504432 its reverse (2344055501), we get a palindrome (3399559933).

The spelling of 1055504432 in words is "one billion, fifty-five million, five hundred four thousand, four hundred thirty-two".