50115421 has 8 divisors (see below), whose sum is σ = 51093504. Its totient is φ = 49145040.

The previous prime is 50115409. The next prime is 50115463. The reversal of 50115421 is 12451105.

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 50115421 - 2⁵ = 50115389 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 (50112421) 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 7 ways as a sum of consecutive naturals, for example, 12196 + ... + 15778.

It is an arithmetic number, because the mean of its divisors is an integer number (6386688).

Almost surely, 2^50115421 is an apocalyptic number.

It is an amenable number.

50115421 is a deficient number, since it is larger than the sum of its proper divisors (978083).

50115421 is a wasteful number, since it uses less digits than its factorization.

50115421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 50115421 is about 7079.2246044323. The cubic root of 50115421 is about 368.6864084156.

Adding to 50115421 its reverse (12451105), we get a palindrome (62566526).

The spelling of 50115421 in words is "fifty million, one hundred fifteen thousand, four hundred twenty-one".