49913405 has 4 divisors (see below), whose sum is σ = 59896092. Its totient is φ = 39930720.

The previous prime is 49913401. The next prime is 49913417. The reversal of 49913405 is 50431994.

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 14546596 + 35366809 = 3814^2 + 5947^2 .

It is not a de Polignac number, because 49913405 - 2² = 49913401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49913401) by changing a digit.

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, 4991336 + ... + 4991345.

It is an arithmetic number, because the mean of its divisors is an integer number (14974023).

Almost surely, 2^49913405 is an apocalyptic number.

It is an amenable number.

49913405 is a deficient number, since it is larger than the sum of its proper divisors (9982687).

49913405 is an equidigital number, since it uses as much as digits as its factorization.

49913405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982686.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 49913405 is about 7064.9419672068. The cubic root of 49913405 is about 368.1903478277.

The spelling of 49913405 in words is "forty-nine million, nine hundred thirteen thousand, four hundred five".