49601809 has 8 divisors (see below), whose sum is σ = 50607360. Its totient is φ = 48605856.

The previous prime is 49601791. The next prime is 49601819. The reversal of 49601809 is 90810694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49601809 - 2⁷ = 49601681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49601819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8532 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (6325920).

Almost surely, 2^49601809 is an apocalyptic number.

It is an amenable number.

49601809 is a deficient number, since it is larger than the sum of its proper divisors (1005551).

49601809 is a wasteful number, since it uses less digits than its factorization.

49601809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 49601809 is about 7042.8551738624. The cubic root of 49601809 is about 367.4225767453.

The spelling of 49601809 in words is "forty-nine million, six hundred one thousand, eight hundred nine".