49687199 has 8 divisors (see below), whose sum is σ = 51947520. Its totient is φ = 47435256.

The previous prime is 49687193. The next prime is 49687213. The reversal of 49687199 is 99178694.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49687199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49687199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49687193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12182 + ... + 15740.

It is an arithmetic number, because the mean of its divisors is an integer number (6493440).

Almost surely, 2^49687199 is an apocalyptic number.

49687199 is a deficient number, since it is larger than the sum of its proper divisors (2260321).

49687199 is a wasteful number, since it uses less digits than its factorization.

49687199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its digits is 979776, while the sum is 53.

The square root of 49687199 is about 7048.9147391638. The cubic root of 49687199 is about 367.6332963944.

It can be divided in two parts, 4968 and 7199, that added together give a cube (12167 = 23³).

The spelling of 49687199 in words is "forty-nine million, six hundred eighty-seven thousand, one hundred ninety-nine".