49271491 has 8 divisors (see below), whose sum is σ = 52279344. Its totient is φ = 46275840.

The previous prime is 49271483. The next prime is 49271533. The reversal of 49271491 is 19417294.

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 49271491 - 2³ = 49271483 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 49271491.

It is not an unprimeable number, because it can be changed into a prime (49271401) 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, 6076 + ... + 11638.

It is an arithmetic number, because the mean of its divisors is an integer number (6534918).

Almost surely, 2^49271491 is an apocalyptic number.

49271491 is a deficient number, since it is larger than the sum of its proper divisors (3007853).

49271491 is a wasteful number, since it uses less digits than its factorization.

49271491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101.

The product of its digits is 18144, while the sum is 37.

The square root of 49271491 is about 7019.3654271594. The cubic root of 49271491 is about 366.6051556137.

The spelling of 49271491 in words is "forty-nine million, two hundred seventy-one thousand, four hundred ninety-one".