50605621 has 8 divisors (see below), whose sum is σ = 55440000. Its totient is φ = 45810240.

The previous prime is 50605601. The next prime is 50605649. The reversal of 50605621 is 12650605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50605621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50605601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (6930000).

Almost surely, 2^50605621 is an apocalyptic number.

It is an amenable number.

50605621 is a deficient number, since it is larger than the sum of its proper divisors (4834379).

50605621 is a wasteful number, since it uses less digits than its factorization.

50605621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19499.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 50605621 is about 7113.7627877235. The cubic root of 50605621 is about 369.8846024351.

The spelling of 50605621 in words is "fifty million, six hundred five thousand, six hundred twenty-one".