49518039 has 8 divisors (see below), whose sum is σ = 66187120. Its totient is φ = 32930496.

The previous prime is 49518019. The next prime is 49518041. The reversal of 49518039 is 93081594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-49518039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49517988 and 49518006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49518019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18952 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (8273390).

Almost surely, 2^49518039 is an apocalyptic number.

49518039 is a deficient number, since it is larger than the sum of its proper divisors (16669081).

49518039 is a wasteful number, since it uses less digits than its factorization.

49518039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40769.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49518039 is about 7036.9054988681. The cubic root of 49518039 is about 367.2156196929.

The spelling of 49518039 in words is "forty-nine million, five hundred eighteen thousand, thirty-nine".