50388521 has 8 divisors (see below), whose sum is σ = 50820000. Its totient is φ = 49959360.

The previous prime is 50388517. The next prime is 50388529. The reversal of 50388521 is 12588305.

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 50388521 - 2² = 50388517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50388529) 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, 100730 + ... + 101228.

It is an arithmetic number, because the mean of its divisors is an integer number (6352500).

Almost surely, 2^50388521 is an apocalyptic number.

It is an amenable number.

50388521 is a deficient number, since it is larger than the sum of its proper divisors (431479).

50388521 is a wasteful number, since it uses less digits than its factorization.

50388521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 50388521 is about 7098.4872332068. The cubic root of 50388521 is about 369.3549046608.

The spelling of 50388521 in words is "fifty million, three hundred eighty-eight thousand, five hundred twenty-one".