49351247 has 4 divisors (see below), whose sum is σ = 53837736. Its totient is φ = 44864760.

The previous prime is 49351241. The next prime is 49351259. The reversal of 49351247 is 74215394.

49351247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-49351247 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 (49351241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243228 + ... + 2243249.

It is an arithmetic number, because the mean of its divisors is an integer number (13459434).

Almost surely, 2^49351247 is an apocalyptic number.

49351247 is a deficient number, since it is larger than the sum of its proper divisors (4486489).

49351247 is a wasteful number, since it uses less digits than its factorization.

49351247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486488.

The product of its digits is 30240, while the sum is 35.

The square root of 49351247 is about 7025.0442703231. The cubic root of 49351247 is about 366.8028574893.

The spelling of 49351247 in words is "forty-nine million, three hundred fifty-one thousand, two hundred forty-seven".