49999197 has 8 divisors (see below), whose sum is σ = 66777856. Its totient is φ = 33276672.

The previous prime is 49999177. The next prime is 49999207. The reversal of 49999197 is 79199994.

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

It is not a de Polignac number, because 49999197 - 2⁶ = 49999133 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 (49999177) 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, 11908 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (8347232).

Almost surely, 2^49999197 is an apocalyptic number.

It is an amenable number.

49999197 is a deficient number, since it is larger than the sum of its proper divisors (16778659).

49999197 is a wasteful number, since it uses less digits than its factorization.

49999197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28067.

The product of its digits is 1653372, while the sum is 57.

The square root of 49999197 is about 7071.0110309630. The cubic root of 49999197 is about 368.4011776686.

It can be divided in two parts, 4999 and 9197, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 49999197 in words is "forty-nine million, nine hundred ninety-nine thousand, one hundred ninety-seven".