49147049 has 6 divisors (see below), whose sum is σ = 57171114. Its totient is φ = 42126000.

The previous prime is 49147037. The next prime is 49147057. The reversal of 49147049 is 94074194.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 5017600 = 6643^2 + 2240^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49147049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49147249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501452 + ... + 501549.

It is an arithmetic number, because the mean of its divisors is an integer number (9528519).

Almost surely, 2^49147049 is an apocalyptic number.

49147049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49147049 is a deficient number, since it is larger than the sum of its proper divisors (8024065).

49147049 is a wasteful number, since it uses less digits than its factorization.

49147049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003015 (or 1003008 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 49147049 is about 7010.4956315513. The cubic root of 49147049 is about 366.2962579849.

The spelling of 49147049 in words is "forty-nine million, one hundred forty-seven thousand, forty-nine".