49687039 has 8 divisors (see below), whose sum is σ = 53893728. Its totient is φ = 45623040.

The previous prime is 49687031. The next prime is 49687049. The reversal of 49687039 is 93078694.

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 49687039 - 2³ = 49687031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49687039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49687031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34947 + ... + 36340.

It is an arithmetic number, because the mean of its divisors is an integer number (6736716).

Almost surely, 2^49687039 is an apocalyptic number.

49687039 is a deficient number, since it is larger than the sum of its proper divisors (4206689).

49687039 is a wasteful number, since it uses less digits than its factorization.

49687039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71345.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 49687039 is about 7048.9033898898. The cubic root of 49687039 is about 367.6329017831.

The spelling of 49687039 in words is "forty-nine million, six hundred eighty-seven thousand, thirty-nine".