50655921 has 8 divisors (see below), whose sum is σ = 67762464. Its totient is φ = 33660000.

The previous prime is 50655911. The next prime is 50655929. The reversal of 50655921 is 12955605.

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

It is not a de Polignac number, because 50655921 - 2⁵ = 50655889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50655929) 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, 26580 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (8470308).

Almost surely, 2^50655921 is an apocalyptic number.

It is an amenable number.

50655921 is a deficient number, since it is larger than the sum of its proper divisors (17106543).

50655921 is a wasteful number, since it uses less digits than its factorization.

50655921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55311.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 50655921 is about 7117.2973100749. The cubic root of 50655921 is about 370.0071121107.

The spelling of 50655921 in words is "fifty million, six hundred fifty-five thousand, nine hundred twenty-one".