49780135 has 4 divisors (see below), whose sum is σ = 59736168. Its totient is φ = 39824104.

The previous prime is 49780121. The next prime is 49780151. The reversal of 49780135 is 53108794.

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

It is a cyclic number.

It is not a de Polignac number, because 49780135 - 2⁷ = 49780007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49780094 and 49780103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4978009 + ... + 4978018.

It is an arithmetic number, because the mean of its divisors is an integer number (14934042).

Almost surely, 2^49780135 is an apocalyptic number.

49780135 is a deficient number, since it is larger than the sum of its proper divisors (9956033).

49780135 is an equidigital number, since it uses as much as digits as its factorization.

49780135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956032.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 49780135 is about 7055.5038799507. The cubic root of 49780135 is about 367.8623633640.

The spelling of 49780135 in words is "forty-nine million, seven hundred eighty thousand, one hundred thirty-five".