50165421 has 8 divisors (see below), whose sum is σ = 66952800. Its totient is φ = 33410832.

The previous prime is 50165407. The next prime is 50165503. The reversal of 50165421 is 12456105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50165421 - 2⁷ = 50165293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50165391 and 50165400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50164421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371 + ... + 10928.

It is an arithmetic number, because the mean of its divisors is an integer number (8369100).

Almost surely, 2^50165421 is an apocalyptic number.

It is an amenable number.

50165421 is a deficient number, since it is larger than the sum of its proper divisors (16787379).

50165421 is a wasteful number, since it uses less digits than its factorization.

50165421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50165421 is about 7082.7551842486. The cubic root of 50165421 is about 368.8089800900.

The spelling of 50165421 in words is "fifty million, one hundred sixty-five thousand, four hundred twenty-one".