49665405 has 8 divisors (see below), whose sum is σ = 79464672. Its totient is φ = 26488208.

The previous prime is 49665403. The next prime is 49665409. The reversal of 49665405 is 50456694.

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

It is a cyclic number.

It is not a de Polignac number, because 49665405 - 2¹ = 49665403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665403) 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, 1655499 + ... + 1655528.

It is an arithmetic number, because the mean of its divisors is an integer number (9933084).

Almost surely, 2^49665405 is an apocalyptic number.

It is an amenable number.

49665405 is a deficient number, since it is larger than the sum of its proper divisors (29799267).

49665405 is a wasteful number, since it uses less digits than its factorization.

49665405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311035.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 49665405 is about 7047.3686578751. The cubic root of 49665405 is about 367.5795375997.

The spelling of 49665405 in words is "forty-nine million, six hundred sixty-five thousand, four hundred five".