50921427 has 8 divisors (see below), whose sum is σ = 67979520. Its totient is φ = 33905480.

The previous prime is 50921359. The next prime is 50921447. The reversal of 50921427 is 72412905.

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

It is a cyclic number.

It is not a de Polignac number, because 50921427 - 2²² = 46727123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50921394 and 50921403.

It is not an unprimeable number, because it can be changed into a prime (50921447) 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, 7599 + ... + 12632.

It is an arithmetic number, because the mean of its divisors is an integer number (8497440).

Almost surely, 2^50921427 is an apocalyptic number.

50921427 is a deficient number, since it is larger than the sum of its proper divisors (17058093).

50921427 is a wasteful number, since it uses less digits than its factorization.

50921427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21073.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 50921427 is about 7135.9250977011. The cubic root of 50921427 is about 370.6524329922.

The spelling of 50921427 in words is "fifty million, nine hundred twenty-one thousand, four hundred twenty-seven".