49115641 has 4 divisors (see below), whose sum is σ = 49788532. Its totient is φ = 48442752.

The previous prime is 49115639. The next prime is 49115657. The reversal of 49115641 is 14651194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22127616 + 26988025 = 4704^2 + 5195^2 .

It is a cyclic number.

It is not a de Polignac number, because 49115641 - 2¹ = 49115639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49115681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336336 + ... + 336481.

It is an arithmetic number, because the mean of its divisors is an integer number (12447133).

Almost surely, 2^49115641 is an apocalyptic number.

It is an amenable number.

49115641 is a deficient number, since it is larger than the sum of its proper divisors (672891).

49115641 is an equidigital number, since it uses as much as digits as its factorization.

49115641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672890.

The product of its digits is 4320, while the sum is 31.

The square root of 49115641 is about 7008.2552036866. The cubic root of 49115641 is about 366.2182127126.

The spelling of 49115641 in words is "forty-nine million, one hundred fifteen thousand, six hundred forty-one".