49517047 has 4 divisors (see below), whose sum is σ = 49614840. Its totient is φ = 49419256.

The previous prime is 49517023. The next prime is 49517057. The reversal of 49517047 is 74071594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74071594 = 2 ⋅37035797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49517047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49516997 and 49517015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49517057) 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 3 ways as a sum of consecutive naturals, for example, 48133 + ... + 49150.

It is an arithmetic number, because the mean of its divisors is an integer number (12403710).

Almost surely, 2^49517047 is an apocalyptic number.

49517047 is a deficient number, since it is larger than the sum of its proper divisors (97793).

49517047 is an equidigital number, since it uses as much as digits as its factorization.

49517047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97792.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 49517047 is about 7036.8350129870. The cubic root of 49517047 is about 367.2131675203.

The spelling of 49517047 in words is "forty-nine million, five hundred seventeen thousand, forty-seven".