50575921 has 8 divisors (see below), whose sum is σ = 56109600. Its totient is φ = 45198240.

The previous prime is 50575909. The next prime is 50575937. The reversal of 50575921 is 12957505.

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 50575921 - 2⁷ = 50575793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50575961) 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, 38316 + ... + 39613.

It is an arithmetic number, because the mean of its divisors is an integer number (7013700).

Almost surely, 2^50575921 is an apocalyptic number.

It is an amenable number.

50575921 is a deficient number, since it is larger than the sum of its proper divisors (5533679).

50575921 is a wasteful number, since it uses less digits than its factorization.

50575921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77999.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 50575921 is about 7111.6749785124. The cubic root of 50575921 is about 369.8122275863.

The spelling of 50575921 in words is "fifty million, five hundred seventy-five thousand, nine hundred twenty-one".