49821705 has 24 divisors (see below), whose sum is σ = 90904320. Its totient is φ = 25172640.

The previous prime is 49821677. The next prime is 49821727. The reversal of 49821705 is 50712894.

It is not a de Polignac number, because 49821705 - 2¹⁰ = 49820681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49821705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28281 + ... + 29990.

It is an arithmetic number, because the mean of its divisors is an integer number (3787680).

Almost surely, 2^49821705 is an apocalyptic number.

49821705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49821705 is a deficient number, since it is larger than the sum of its proper divisors (41082615).

49821705 is a wasteful number, since it uses less digits than its factorization.

49821705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58301 (or 58298 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49821705 is about 7058.4491922801. The cubic root of 49821705 is about 367.9647320683.

The spelling of 49821705 in words is "forty-nine million, eight hundred twenty-one thousand, seven hundred five".