49871549 has 8 divisors (see below), whose sum is σ = 61380480. Its totient is φ = 39458736.

The previous prime is 49871527. The next prime is 49871551. The reversal of 49871549 is 94517894.

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

It is a cyclic number.

It is not a de Polignac number, because 49871549 - 2¹⁶ = 49806013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49871509) 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, 273929 + ... + 274110.

It is an arithmetic number, because the mean of its divisors is an integer number (7672560).

Almost surely, 2^49871549 is an apocalyptic number.

It is an amenable number.

49871549 is a deficient number, since it is larger than the sum of its proper divisors (11508931).

49871549 is a wasteful number, since it uses less digits than its factorization.

49871549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548059.

The product of its digits is 362880, while the sum is 47.

The square root of 49871549 is about 7061.9791135347. The cubic root of 49871549 is about 368.0874009677.

The spelling of 49871549 in words is "forty-nine million, eight hundred seventy-one thousand, five hundred forty-nine".