49521 has 8 divisors (see below), whose sum is σ = 69984. Its totient is φ = 31040.

The previous prime is 49499. The next prime is 49523. The reversal of 49521 is 12594.

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 49521 - 2⁷ = 49393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (8748).

2⁴⁹⁵²¹ is an apocalyptic number.

It is an amenable number.

49521 is a deficient number, since it is larger than the sum of its proper divisors (20463).

49521 is a wasteful number, since it uses less digits than its factorization.

49521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 360, while the sum is 21.

The square root of 49521 is about 222.5331435989. The cubic root of 49521 is about 36.7222938937.

The spelling of 49521 in words is "forty-nine thousand, five hundred twenty-one".