49968577 has 4 divisors (see below), whose sum is σ = 50787796. Its totient is φ = 49149360.

The previous prime is 49968557. The next prime is 49968587. The reversal of 49968577 is 77586994.

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 15968016 + 34000561 = 3996^2 + 5831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49968577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49968517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409518 + ... + 409639.

It is an arithmetic number, because the mean of its divisors is an integer number (12696949).

Almost surely, 2^49968577 is an apocalyptic number.

It is an amenable number.

49968577 is a deficient number, since it is larger than the sum of its proper divisors (819219).

49968577 is an equidigital number, since it uses as much as digits as its factorization.

49968577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819218.

The product of its digits is 3810240, while the sum is 55.

The square root of 49968577 is about 7068.8455210169. The cubic root of 49968577 is about 368.3259581433.

The spelling of 49968577 in words is "forty-nine million, nine hundred sixty-eight thousand, five hundred seventy-seven".