49387805 has 16 divisors (see below), whose sum is σ = 64779264. Its totient is φ = 35984640.

The previous prime is 49387799. The next prime is 49387817. The reversal of 49387805 is 50878394.

It is not a de Polignac number, because 49387805 - 2⁸ = 49387549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6737 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (4048704).

Almost surely, 2^49387805 is an apocalyptic number.

It is an amenable number.

49387805 is a deficient number, since it is larger than the sum of its proper divisors (15391459).

49387805 is a wasteful number, since it uses less digits than its factorization.

49387805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18796.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 49387805 is about 7027.6457651194. The cubic root of 49387805 is about 366.8934075084.

The spelling of 49387805 in words is "forty-nine million, three hundred eighty-seven thousand, eight hundred five".