49965657 has 8 divisors (see below), whose sum is σ = 76138176. Its totient is φ = 28551792.

The previous prime is 49965607. The next prime is 49965659. The reversal of 49965657 is 75656994.

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

It is not a de Polignac number, because 49965657 - 2¹⁰ = 49964633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49965659) 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, 1189638 + ... + 1189679.

It is an arithmetic number, because the mean of its divisors is an integer number (9517272).

Almost surely, 2^49965657 is an apocalyptic number.

It is an amenable number.

49965657 is a deficient number, since it is larger than the sum of its proper divisors (26172519).

49965657 is a wasteful number, since it uses less digits than its factorization.

49965657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379327.

The product of its digits is 2041200, while the sum is 51.

The square root of 49965657 is about 7068.6389779080. The cubic root of 49965657 is about 368.3187834159.

The spelling of 49965657 in words is "forty-nine million, nine hundred sixty-five thousand, six hundred fifty-seven".