49985501 has 4 divisors (see below), whose sum is σ = 50039232. Its totient is φ = 49931772.

The previous prime is 49985489. The next prime is 49985513. The reversal of 49985501 is 10558994.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (49985489) and next prime (49985513).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49985501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49985521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25445 + ... + 27338.

It is an arithmetic number, because the mean of its divisors is an integer number (12509808).

Almost surely, 2^49985501 is an apocalyptic number.

It is an amenable number.

49985501 is a deficient number, since it is larger than the sum of its proper divisors (53731).

49985501 is an equidigital number, since it uses as much as digits as its factorization.

49985501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53730.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 49985501 is about 7070.0425034083. The cubic root of 49985501 is about 368.3675365730.

The spelling of 49985501 in words is "forty-nine million, nine hundred eighty-five thousand, five hundred one".