50004021 has 8 divisors (see below), whose sum is σ = 70593984. Its totient is φ = 31375040.

The previous prime is 50004013. The next prime is 50004037. The reversal of 50004021 is 12040005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50004021 - 2³ = 50004013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50003988 and 50004006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50004011) 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, 490185 + ... + 490286.

It is an arithmetic number, because the mean of its divisors is an integer number (8824248).

Almost surely, 2^50004021 is an apocalyptic number.

50004021 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50004021 is a deficient number, since it is larger than the sum of its proper divisors (20589963).

50004021 is a wasteful number, since it uses less digits than its factorization.

50004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980491.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 50004021 is about 7071.3521337860. The cubic root of 50004021 is about 368.4130252598.

Adding to 50004021 its reverse (12040005), we get a palindrome (62044026).

The spelling of 50004021 in words is "fifty million, four thousand, twenty-one".