50130421 has 12 divisors (see below), whose sum is σ = 56148876. Its totient is φ = 44707520.

The previous prime is 50130403. The next prime is 50130439. The reversal of 50130421 is 12403105.

It is an interprime number because it is at equal distance from previous prime (50130403) and next prime (50130439).

It can be written as a sum of positive squares in 2 ways, for example, as 12859396 + 37271025 = 3586^2 + 6105^2 .

It is not a de Polignac number, because 50130421 - 2⁷ = 50130293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50130395 and 50130404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130481) 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 11 ways as a sum of consecutive naturals, for example, 2505 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (4679073).

Almost surely, 2^50130421 is an apocalyptic number.

It is an amenable number.

50130421 is a deficient number, since it is larger than the sum of its proper divisors (6018455).

50130421 is a wasteful number, since it uses less digits than its factorization.

50130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7881 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 50130421 is about 7080.2839632320. The cubic root of 50130421 is about 368.7231884748.

Adding to 50130421 its reverse (12403105), we get a palindrome (62533526).

The spelling of 50130421 in words is "fifty million, one hundred thirty thousand, four hundred twenty-one".