49999247 has 8 divisors (see below), whose sum is σ = 51585456. Its totient is φ = 48425472.

The previous prime is 49999231. The next prime is 49999253. The reversal of 49999247 is 74299994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49999247 - 2⁴ = 49999231 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 (49999207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5423 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (6448182).

Almost surely, 2^49999247 is an apocalyptic number.

49999247 is a deficient number, since it is larger than the sum of its proper divisors (1586209).

49999247 is a wasteful number, since it uses less digits than its factorization.

49999247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217.

The product of its digits is 1469664, while the sum is 53.

The square root of 49999247 is about 7071.0145665244. The cubic root of 49999247 is about 368.4013004709.

The spelling of 49999247 in words is "forty-nine million, nine hundred ninety-nine thousand, two hundred forty-seven".