49999885 has 16 divisors (see below), whose sum is σ = 64871856. Its totient is φ = 36776448.

The previous prime is 49999883. The next prime is 49999897. The reversal of 49999885 is 58899994.

It can be written as a sum of positive squares in 8 ways, for example, as 17589636 + 32410249 = 4194^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 49999885 - 2¹ = 49999883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999883) 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, 16617 + ... + 19393.

It is an arithmetic number, because the mean of its divisors is an integer number (4054491).

Almost surely, 2^49999885 is an apocalyptic number.

It is an amenable number.

49999885 is a deficient number, since it is larger than the sum of its proper divisors (14871971).

49999885 is a wasteful number, since it uses less digits than its factorization.

49999885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072.

The product of its digits is 8398080, while the sum is 61.

The square root of 49999885 is about 7071.0596801328. The cubic root of 49999885 is about 368.4028674214.

It can be divided in two parts, 4999 and 9885, that added together give a square (14884 = 122²).

The spelling of 49999885 in words is "forty-nine million, nine hundred ninety-nine thousand, eight hundred eighty-five".