50345421 has 48 divisors (see below), whose sum is σ = 84124800. Its totient is φ = 26199936.

The previous prime is 50345411. The next prime is 50345423. The reversal of 50345421 is 12454305.

It is not a de Polignac number, because 50345421 - 2⁷ = 50345293 is a prime.

It is a super-2 number, since 2×50345421² = 5069322831334482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50345391 and 50345400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50345423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219735 + ... + 219963.

It is an arithmetic number, because the mean of its divisors is an integer number (1752600).

Almost surely, 2^50345421 is an apocalyptic number.

It is an amenable number.

50345421 is a deficient number, since it is larger than the sum of its proper divisors (33779379).

50345421 is a wasteful number, since it uses less digits than its factorization.

50345421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 50345421 is about 7095.4507256410. The cubic root of 50345421 is about 369.2495649453.

Adding to 50345421 its reverse (12454305), we get a palindrome (62799726).

The spelling of 50345421 in words is "fifty million, three hundred forty-five thousand, four hundred twenty-one".