49031613 has 24 divisors (see below), whose sum is σ = 73415160. Its totient is φ = 31511040.

The previous prime is 49031611. The next prime is 49031627. The reversal of 49031613 is 31613094.

49031613 is a `hidden beast` number, since 49 + 0 + 3 + 1 + 613 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1172889 + 47858724 = 1083^2 + 6918^2 .

It is not a de Polignac number, because 49031613 - 2¹ = 49031611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49031611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32095 + ... + 33587.

It is an arithmetic number, because the mean of its divisors is an integer number (3058965).

Almost surely, 2^49031613 is an apocalyptic number.

It is an amenable number.

49031613 is a deficient number, since it is larger than the sum of its proper divisors (24383547).

49031613 is a wasteful number, since it uses less digits than its factorization.

49031613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 49031613 is about 7002.2577073398. The cubic root of 49031613 is about 366.0092490720.

The spelling of 49031613 in words is "forty-nine million, thirty-one thousand, six hundred thirteen".