500421552 has 80 divisors (see below), whose sum is σ = 1320829152. Its totient is φ = 163215360.

The previous prime is 500421541. The next prime is 500421553. The reversal of 500421552 is 255124005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (500421553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810748 + ... + 811364.

Almost surely, 2^500421552 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 500421552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660414576).

500421552 is an abundant number, since it is smaller than the sum of its proper divisors (820407600).

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

500421552 is a wasteful number, since it uses less digits than its factorization.

500421552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 500421552 is about 22370.1039783010. The cubic root of 500421552 is about 793.9235206893.

Adding to 500421552 its reverse (255124005), we get a palindrome (755545557).

The spelling of 500421552 in words is "five hundred million, four hundred twenty-one thousand, five hundred fifty-two".