49512847 has 4 divisors (see below), whose sum is σ = 49531456. Its totient is φ = 49494240.

The previous prime is 49512833. The next prime is 49512851. The reversal of 49512847 is 74821594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49512847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49512877) 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, 4479 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (12382864).

Almost surely, 2^49512847 is an apocalyptic number.

49512847 is a deficient number, since it is larger than the sum of its proper divisors (18609).

49512847 is a wasteful number, since it uses less digits than its factorization.

49512847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18608.

The product of its digits is 80640, while the sum is 40.

The square root of 49512847 is about 7036.5365770385. The cubic root of 49512847 is about 367.2027849753.

The spelling of 49512847 in words is "forty-nine million, five hundred twelve thousand, eight hundred forty-seven".