49686549 has 16 divisors (see below), whose sum is σ = 72658944. Its totient is φ = 29951600.

The previous prime is 49686517. The next prime is 49686557. The reversal of 49686549 is 94568694.

It is a cyclic number.

It is not a de Polignac number, because 49686549 - 2⁵ = 49686517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49686649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2362 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (4541184).

Almost surely, 2^49686549 is an apocalyptic number.

It is an amenable number.

49686549 is a deficient number, since it is larger than the sum of its proper divisors (22972395).

49686549 is a wasteful number, since it uses less digits than its factorization.

49686549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088.

The product of its digits is 1866240, while the sum is 51.

The square root of 49686549 is about 7048.8686326247. The cubic root of 49686549 is about 367.6316932807.

The spelling of 49686549 in words is "forty-nine million, six hundred eighty-six thousand, five hundred forty-nine".