50536421 has 16 divisors (see below), whose sum is σ = 56173824. Its totient is φ = 45171264.

The previous prime is 50536411. The next prime is 50536429. The reversal of 50536421 is 12463505.

It is a cyclic number.

It is not a de Polignac number, because 50536421 - 2¹⁸ = 50274277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50536429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64991 + ... + 65763.

It is an arithmetic number, because the mean of its divisors is an integer number (3510864).

Almost surely, 2^50536421 is an apocalyptic number.

It is an amenable number.

50536421 is a deficient number, since it is larger than the sum of its proper divisors (5637403).

50536421 is a wasteful number, since it uses less digits than its factorization.

50536421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 50536421 is about 7108.8973125232. The cubic root of 50536421 is about 369.7159275605.

Adding to 50536421 its reverse (12463505), we get a palindrome (62999926).

The spelling of 50536421 in words is "fifty million, five hundred thirty-six thousand, four hundred twenty-one".