49797287 has 4 divisors (see below), whose sum is σ = 49856520. Its totient is φ = 49738056.

The previous prime is 49797283. The next prime is 49797331. The reversal of 49797287 is 78279794.

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

It is a cyclic number.

It is not a de Polignac number, because 49797287 - 2² = 49797283 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 (49797283) 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, 28337 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (12464130).

Almost surely, 2^49797287 is an apocalyptic number.

49797287 is a deficient number, since it is larger than the sum of its proper divisors (59233).

49797287 is an equidigital number, since it uses as much as digits as its factorization.

49797287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59232.

The product of its digits is 1778112, while the sum is 53.

The square root of 49797287 is about 7056.7192802321. The cubic root of 49797287 is about 367.9046081317.

The spelling of 49797287 in words is "forty-nine million, seven hundred ninety-seven thousand, two hundred eighty-seven".