50002421 has 16 divisors (see below), whose sum is σ = 58781184. Its totient is φ = 41643504.

The previous prime is 50002417. The next prime is 50002427. The reversal of 50002421 is 12420005.

It is not a de Polignac number, because 50002421 - 2² = 50002417 is a prime.

It is a super-2 number, since 2×50002421² = 5000484211722482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50002396 and 50002405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50002427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84890 + ... + 85476.

It is an arithmetic number, because the mean of its divisors is an integer number (3673824).

Almost surely, 2^50002421 is an apocalyptic number.

It is an amenable number.

50002421 is a deficient number, since it is larger than the sum of its proper divisors (8778763).

50002421 is a wasteful number, since it uses less digits than its factorization.

50002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 50002421 is about 7071.2390003450. The cubic root of 50002421 is about 368.4090957949.

Adding to 50002421 its reverse (12420005), we get a palindrome (62422426).

The spelling of 50002421 in words is "fifty million, two thousand, four hundred twenty-one".