49329987 has 16 divisors (see below), whose sum is σ = 76919040. Its totient is φ = 27532512.

The previous prime is 49329979. The next prime is 49329989. The reversal of 49329987 is 78992394.

It is not a de Polignac number, because 49329987 - 2³ = 49329979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49329989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26412 + ... + 28217.

It is an arithmetic number, because the mean of its divisors is an integer number (4807440).

Almost surely, 2^49329987 is an apocalyptic number.

49329987 is a deficient number, since it is larger than the sum of its proper divisors (27589053).

49329987 is a wasteful number, since it uses less digits than its factorization.

49329987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54682.

The product of its digits is 979776, while the sum is 51.

The square root of 49329987 is about 7023.5309496008. The cubic root of 49329987 is about 366.7501783150.

The spelling of 49329987 in words is "forty-nine million, three hundred twenty-nine thousand, nine hundred eighty-seven".