49564709 has 4 divisors (see below), whose sum is σ = 49600320. Its totient is φ = 49529100.

The previous prime is 49564703. The next prime is 49564771. The reversal of 49564709 is 90746594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90746594 = 2 ⋅45373297.

It is a cyclic number.

It is not a de Polignac number, because 49564709 - 2⁸ = 49564453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49564709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49564703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15629 + ... + 18530.

It is an arithmetic number, because the mean of its divisors is an integer number (12400080).

Almost surely, 2^49564709 is an apocalyptic number.

It is an amenable number.

49564709 is a deficient number, since it is larger than the sum of its proper divisors (35611).

49564709 is a wasteful number, since it uses less digits than its factorization.

49564709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35610.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 49564709 is about 7040.2208061964. The cubic root of 49564709 is about 367.3309485175.

The spelling of 49564709 in words is "forty-nine million, five hundred sixty-four thousand, seven hundred nine".