49540247 has 4 divisors (see below), whose sum is σ = 49652520. Its totient is φ = 49427976.

The previous prime is 49540241. The next prime is 49540273. The reversal of 49540247 is 74204594.

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 49540247 - 2¹⁴ = 49523863 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 (49540241) 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, 55472 + ... + 56357.

It is an arithmetic number, because the mean of its divisors is an integer number (12413130).

Almost surely, 2^49540247 is an apocalyptic number.

49540247 is a deficient number, since it is larger than the sum of its proper divisors (112273).

49540247 is a wasteful number, since it uses less digits than its factorization.

49540247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112272.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 49540247 is about 7038.4832883228. The cubic root of 49540247 is about 367.2705081457.

The spelling of 49540247 in words is "forty-nine million, five hundred forty thousand, two hundred forty-seven".