49769865 has 12 divisors (see below), whose sum is σ = 86267844. Its totient is φ = 26543904.

The previous prime is 49769821. The next prime is 49769879. The reversal of 49769865 is 56896794.

49769865 is a `hidden beast` number, since 497 + 6 + 98 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35390601 + 14379264 = 5949^2 + 3792^2 .

It is not a de Polignac number, because 49769865 - 2⁶ = 49769801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552954 + ... + 553043.

It is an arithmetic number, because the mean of its divisors is an integer number (7188987).

Almost surely, 2^49769865 is an apocalyptic number.

49769865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49769865 is a deficient number, since it is larger than the sum of its proper divisors (36497979).

49769865 is a wasteful number, since it uses less digits than its factorization.

49769865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106008 (or 1106005 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 49769865 is about 7054.7760418032. The cubic root of 49769865 is about 367.8370640733.

It can be divided in two parts, 4976 and 9865, that added together give a palindrome (14841).

The spelling of 49769865 in words is "forty-nine million, seven hundred sixty-nine thousand, eight hundred sixty-five".