50430521 has 4 divisors (see below), whose sum is σ = 52057344. Its totient is φ = 48803700.

The previous prime is 50430509. The next prime is 50430539. The reversal of 50430521 is 12503405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50430521 - 2²² = 46236217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50430493 and 50430502.

It is not an unprimeable number, because it can be changed into a prime (50430581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813365 + ... + 813426.

It is an arithmetic number, because the mean of its divisors is an integer number (13014336).

Almost surely, 2^50430521 is an apocalyptic number.

It is an amenable number.

50430521 is a deficient number, since it is larger than the sum of its proper divisors (1626823).

50430521 is a wasteful number, since it uses less digits than its factorization.

50430521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626822.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50430521 is about 7101.4449938023. Note that the first 3 decimals coincide. The cubic root of 50430521 is about 369.4574981190.

Adding to 50430521 its reverse (12503405), we get a palindrome (62933926).

The spelling of 50430521 in words is "fifty million, four hundred thirty thousand, five hundred twenty-one".