49197571 has 4 divisors (see below), whose sum is σ = 49216392. Its totient is φ = 49178752.

The previous prime is 49197559. The next prime is 49197583. The reversal of 49197571 is 17579194.

49197571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17579194 = 2 ⋅8789597.

It is an interprime number because it is at equal distance from previous prime (49197559) and next prime (49197583).

It is a cyclic number.

It is not a de Polignac number, because 49197571 - 2⁵ = 49197539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49197871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (12304098).

Almost surely, 2^49197571 is an apocalyptic number.

49197571 is a deficient number, since it is larger than the sum of its proper divisors (18821).

49197571 is a wasteful number, since it uses less digits than its factorization.

49197571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820.

The product of its digits is 79380, while the sum is 43.

The square root of 49197571 is about 7014.0980175643. The cubic root of 49197571 is about 366.4217296208.

The spelling of 49197571 in words is "forty-nine million, one hundred ninety-seven thousand, five hundred seventy-one".