49561339 has 4 divisors (see below), whose sum is σ = 49610080. Its totient is φ = 49512600.

The previous prime is 49561331. The next prime is 49561381. The reversal of 49561339 is 93316594.

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 49561339 - 2³ = 49561331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49561331) 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, 22812 + ... + 24889.

It is an arithmetic number, because the mean of its divisors is an integer number (12402520).

Almost surely, 2^49561339 is an apocalyptic number.

49561339 is a deficient number, since it is larger than the sum of its proper divisors (48741).

49561339 is a wasteful number, since it uses less digits than its factorization.

49561339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48740.

The product of its digits is 87480, while the sum is 40.

The square root of 49561339 is about 7039.9814630438. The cubic root of 49561339 is about 367.3226231493.

The spelling of 49561339 in words is "forty-nine million, five hundred sixty-one thousand, three hundred thirty-nine".