49081271 has 4 divisors (see below), whose sum is σ = 49885944. Its totient is φ = 48276600.

The previous prime is 49081243. The next prime is 49081273. The reversal of 49081271 is 17218094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49081271 - 2²² = 44886967 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 (49081273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402245 + ... + 402366.

It is an arithmetic number, because the mean of its divisors is an integer number (12471486).

Almost surely, 2^49081271 is an apocalyptic number.

49081271 is a deficient number, since it is larger than the sum of its proper divisors (804673).

49081271 is an equidigital number, since it uses as much as digits as its factorization.

49081271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804672.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 49081271 is about 7005.8026663616. The cubic root of 49081271 is about 366.1327690747.

The spelling of 49081271 in words is "forty-nine million, eighty-one thousand, two hundred seventy-one".