49985961 has 4 divisors (see below), whose sum is σ = 66647952. Its totient is φ = 33323972.

The previous prime is 49985893. The next prime is 49985989. The reversal of 49985961 is 16958994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49985961 - 2¹³ = 49977769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49985861) 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, 8330991 + ... + 8330996.

It is an arithmetic number, because the mean of its divisors is an integer number (16661988).

Almost surely, 2^49985961 is an apocalyptic number.

It is an amenable number.

49985961 is a deficient number, since it is larger than the sum of its proper divisors (16661991).

49985961 is a wasteful number, since it uses less digits than its factorization.

49985961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16661990.

The product of its digits is 699840, while the sum is 51.

The square root of 49985961 is about 7070.0750349625. The cubic root of 49985961 is about 368.3686665576.

The spelling of 49985961 in words is "forty-nine million, nine hundred eighty-five thousand, nine hundred sixty-one".