49687247 has 2 divisors, whose sum is σ = 49687248. Its totient is φ = 49687246.

The previous prime is 49687229. The next prime is 49687283. The reversal of 49687247 is 74278694.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49687247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49680247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843623 + 24843624.

It is an arithmetic number, because the mean of its divisors is an integer number (24843624).

Almost surely, 2^49687247 is an apocalyptic number.

49687247 is a deficient number, since it is larger than the sum of its proper divisors (1).

49687247 is an equidigital number, since it uses as much as digits as its factorization.

49687247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 49687247 is about 7048.9181439424. The cubic root of 49687247 is about 367.6334147776.

The spelling of 49687247 in words is "forty-nine million, six hundred eighty-seven thousand, two hundred forty-seven".