556843501032 has 128 divisors (see below), whose sum is σ = 1713964680960. Its totient is φ = 146808391680.

The previous prime is 556843501031. The next prime is 556843501051. The reversal of 556843501032 is 230105348655.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (556843501031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6406182 + ... + 6492522.

It is an arithmetic number, because the mean of its divisors is an integer number (13390349070).

Almost surely, 2^556843501032 is an apocalyptic number.

556843501032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556843501032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856982340480).

556843501032 is an abundant number, since it is smaller than the sum of its proper divisors (1157121179928).

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

556843501032 is a wasteful number, since it uses less digits than its factorization.

556843501032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89323 (or 89319 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 556843501032 its reverse (230105348655), we get a palindrome (786948849687).

The spelling of 556843501032 in words is "five hundred fifty-six billion, eight hundred forty-three million, five hundred one thousand, thirty-two".