49281785 has 32 divisors (see below), whose sum is σ = 71165952. Its totient is φ = 32048640.

The previous prime is 49281781. The next prime is 49281787. The reversal of 49281785 is 58718294.

It is not a de Polignac number, because 49281785 - 2² = 49281781 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49281781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57077 + ... + 57933.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 2^49281785 is an apocalyptic number.

It is an amenable number.

49281785 is a deficient number, since it is larger than the sum of its proper divisors (21884167).

49281785 is a wasteful number, since it uses less digits than its factorization.

49281785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its digits is 161280, while the sum is 44.

The square root of 49281785 is about 7020.0986460306. The cubic root of 49281785 is about 366.6306847152.

The spelling of 49281785 in words is "forty-nine million, two hundred eighty-one thousand, seven hundred eighty-five".