49511313 has 12 divisors (see below), whose sum is σ = 73261188. Its totient is φ = 32202240.

The previous prime is 49511261. The next prime is 49511317. The reversal of 49511313 is 31311594.

It can be written as a sum of positive squares in 2 ways, for example, as 24681024 + 24830289 = 4968^2 + 4983^2 .

It is not a de Polignac number, because 49511313 - 2²⁰ = 48462737 is a prime.

It is a super-2 number, since 2×49511313² = 4902740229967938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49511317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66720 + ... + 67457.

It is an arithmetic number, because the mean of its divisors is an integer number (6105099).

Almost surely, 2^49511313 is an apocalyptic number.

It is an amenable number.

49511313 is a deficient number, since it is larger than the sum of its proper divisors (23749875).

49511313 is a wasteful number, since it uses less digits than its factorization.

49511313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134224 (or 134221 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 49511313 is about 7036.4275737053. The cubic root of 49511313 is about 367.1989927280.

The spelling of 49511313 in words is "forty-nine million, five hundred eleven thousand, three hundred thirteen".