49813785 has 48 divisors (see below), whose sum is σ = 102350976. Its totient is φ = 22768128.

The previous prime is 49813739. The next prime is 49813789. The reversal of 49813785 is 58731894.

It is not a de Polignac number, because 49813785 - 2⁹ = 49813273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49813785.

It is not an unprimeable number, because it can be changed into a prime (49813789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5577 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (2132312).

Almost surely, 2^49813785 is an apocalyptic number.

49813785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49813785 is an abundant number, since it is smaller than the sum of its proper divisors (52537191).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49813785 is an equidigital number, since it uses as much as digits as its factorization.

49813785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884 (or 5872 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 49813785 is about 7057.8881402301. Note that the first 3 decimals coincide. The cubic root of 49813785 is about 367.9452329690.

The spelling of 49813785 in words is "forty-nine million, eight hundred thirteen thousand, seven hundred eighty-five".