50823921 has 8 divisors (see below), whose sum is σ = 70102080. Its totient is φ = 32714192.

The previous prime is 50823869. The next prime is 50823923. The reversal of 50823921 is 12932805.

It is a happy number.

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 50823921 - 2⁷ = 50823793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50823923) 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, 292005 + ... + 292178.

It is an arithmetic number, because the mean of its divisors is an integer number (8762760).

Almost surely, 2^50823921 is an apocalyptic number.

It is an amenable number.

50823921 is a deficient number, since it is larger than the sum of its proper divisors (19278159).

50823921 is a wasteful number, since it uses less digits than its factorization.

50823921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584215.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50823921 is about 7129.0897735966. The cubic root of 50823921 is about 370.4157027281.

The spelling of 50823921 in words is "fifty million, eight hundred twenty-three thousand, nine hundred twenty-one".