49649087 has 4 divisors (see below), whose sum is σ = 49670136. Its totient is φ = 49628040.

The previous prime is 49649069. The next prime is 49649101. The reversal of 49649087 is 78094694.

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 49649087 - 2⁸ = 49648831 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 (49649987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6464 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (12417534).

Almost surely, 2^49649087 is an apocalyptic number.

49649087 is a deficient number, since it is larger than the sum of its proper divisors (21049).

49649087 is a wasteful number, since it uses less digits than its factorization.

49649087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 49649087 is about 7046.2108256850. The cubic root of 49649087 is about 367.5392760405.

The spelling of 49649087 in words is "forty-nine million, six hundred forty-nine thousand, eighty-seven".