49486521 has 12 divisors (see below), whose sum is σ = 76754832. Its totient is φ = 28277928.

The previous prime is 49486517. The next prime is 49486523. The reversal of 49486521 is 12568494.

It is not a de Polignac number, because 49486521 - 2² = 49486517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49486521.

It is not an unprimeable number, because it can be changed into a prime (49486523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168175 + ... + 168468.

It is an arithmetic number, because the mean of its divisors is an integer number (6396236).

Almost surely, 2^49486521 is an apocalyptic number.

It is an amenable number.

49486521 is a deficient number, since it is larger than the sum of its proper divisors (27268311).

49486521 is a wasteful number, since it uses less digits than its factorization.

49486521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336660 (or 336653 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 49486521 is about 7034.6656636972. The cubic root of 49486521 is about 367.1376928163.

The spelling of 49486521 in words is "forty-nine million, four hundred eighty-six thousand, five hundred twenty-one".