49759821 has 12 divisors (see below), whose sum is σ = 72307872. Its totient is φ = 32973576.

The previous prime is 49759819. The next prime is 49759823. The reversal of 49759821 is 12895794.

It is an interprime number because it is at equal distance from previous prime (49759819) and next prime (49759823).

It is not a de Polignac number, because 49759821 - 2¹ = 49759819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49759823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15051 + ... + 18056.

It is an arithmetic number, because the mean of its divisors is an integer number (6025656).

Almost surely, 2^49759821 is an apocalyptic number.

It is an amenable number.

49759821 is a deficient number, since it is larger than the sum of its proper divisors (22548051).

49759821 is a wasteful number, since it uses less digits than its factorization.

49759821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33280 (or 33277 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 49759821 is about 7054.0641477095. The cubic root of 49759821 is about 367.8123181484.

The spelling of 49759821 in words is "forty-nine million, seven hundred fifty-nine thousand, eight hundred twenty-one".