49684137 has 4 divisors (see below), whose sum is σ = 66245520. Its totient is φ = 33122756.

The previous prime is 49684133. The next prime is 49684139. The reversal of 49684137 is 73148694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49684137 - 2² = 49684133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49684133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8280687 + ... + 8280692.

It is an arithmetic number, because the mean of its divisors is an integer number (16561380).

Almost surely, 2^49684137 is an apocalyptic number.

It is an amenable number.

49684137 is a deficient number, since it is larger than the sum of its proper divisors (16561383).

49684137 is a wasteful number, since it uses less digits than its factorization.

49684137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561382.

The product of its digits is 145152, while the sum is 42.

The square root of 49684137 is about 7048.6975392621. The cubic root of 49684137 is about 367.6257443736.

The spelling of 49684137 in words is "forty-nine million, six hundred eighty-four thousand, one hundred thirty-seven".