49820765 has 4 divisors (see below), whose sum is σ = 59784924. Its totient is φ = 39856608.

The previous prime is 49820747. The next prime is 49820773. The reversal of 49820765 is 56702894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8886361 + 40934404 = 2981^2 + 6398^2 .

It is a cyclic number.

It is not a de Polignac number, because 49820765 - 2²⁰ = 48772189 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 3 ways as a sum of consecutive naturals, for example, 4982072 + ... + 4982081.

It is an arithmetic number, because the mean of its divisors is an integer number (14946231).

Almost surely, 2^49820765 is an apocalyptic number.

It is an amenable number.

49820765 is a deficient number, since it is larger than the sum of its proper divisors (9964159).

49820765 is an equidigital number, since it uses as much as digits as its factorization.

49820765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9964158.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 49820765 is about 7058.3826051015. The cubic root of 49820765 is about 367.9624178894.

The spelling of 49820765 in words is "forty-nine million, eight hundred twenty thousand, seven hundred sixty-five".