50153421 has 4 divisors (see below), whose sum is σ = 66871232. Its totient is φ = 33435612.

The previous prime is 50153419. The next prime is 50153429. The reversal of 50153421 is 12435105.

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 not a de Polignac number, because 50153421 - 2¹ = 50153419 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 (50153429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8358901 + ... + 8358906.

It is an arithmetic number, because the mean of its divisors is an integer number (16717808).

Almost surely, 2^50153421 is an apocalyptic number.

It is an amenable number.

50153421 is a deficient number, since it is larger than the sum of its proper divisors (16717811).

50153421 is a wasteful number, since it uses less digits than its factorization.

50153421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16717810.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50153421 is about 7081.9080056154. The cubic root of 50153421 is about 368.7795703185.

Adding to 50153421 its reverse (12435105), we get a palindrome (62588526).

The spelling of 50153421 in words is "fifty million, one hundred fifty-three thousand, four hundred twenty-one".