49661585 has 16 divisors (see below), whose sum is σ = 61465152. Its totient is φ = 38491200.

The previous prime is 49661561. The next prime is 49661587. The reversal of 49661585 is 58516694.

It is not a de Polignac number, because 49661585 - 2¹⁰ = 49660561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49661587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60830 + ... + 61640.

It is an arithmetic number, because the mean of its divisors is an integer number (3841572).

Almost surely, 2^49661585 is an apocalyptic number.

It is an amenable number.

49661585 is a deficient number, since it is larger than the sum of its proper divisors (11803567).

49661585 is a wasteful number, since it uses less digits than its factorization.

49661585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its digits is 259200, while the sum is 44.

The square root of 49661585 is about 7047.0976295210. The cubic root of 49661585 is about 367.5701132674.

The spelling of 49661585 in words is "forty-nine million, six hundred sixty-one thousand, five hundred eighty-five".