49011287 has 8 divisors (see below), whose sum is σ = 53326896. Its totient is φ = 44773632.

The previous prime is 49011257. The next prime is 49011299. The reversal of 49011287 is 78211094.

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 49011287 - 2⁶ = 49011223 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 (49011227) 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 7 ways as a sum of consecutive naturals, for example, 18173 + ... + 20694.

It is an arithmetic number, because the mean of its divisors is an integer number (6665862).

Almost surely, 2^49011287 is an apocalyptic number.

49011287 is a deficient number, since it is larger than the sum of its proper divisors (4315609).

49011287 is a wasteful number, since it uses less digits than its factorization.

49011287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38977.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 49011287 is about 7000.8061678638. The cubic root of 49011287 is about 365.9586658408.

The spelling of 49011287 in words is "forty-nine million, eleven thousand, two hundred eighty-seven".