50821004 has 24 divisors (see below), whose sum is σ = 96361440. Its totient is φ = 23451792.

The previous prime is 50821003. The next prime is 50821009. The reversal of 50821004 is 40012805.

It is not an unprimeable number, because it can be changed into a prime (50821003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5897 + ... + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (4015060).

Almost surely, 2^50821004 is an apocalyptic number.

It is an amenable number.

50821004 is a deficient number, since it is larger than the sum of its proper divisors (45540436).

50821004 is a wasteful number, since it uses less digits than its factorization.

50821004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 50821004 is about 7128.8851863387. The cubic root of 50821004 is about 370.4086160174.

Adding to 50821004 its reverse (40012805), we get a palindrome (90833809).

It can be divided in two parts, 508 and 21004, that added together give a palindrome (21512).

The spelling of 50821004 in words is "fifty million, eight hundred twenty-one thousand, four".