49155271 has 4 divisors (see below), whose sum is σ = 53623944. Its totient is φ = 44686600.

The previous prime is 49155263. The next prime is 49155289. The reversal of 49155271 is 17255194.

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 49155271 - 2³ = 49155263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49155241) 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, 2234320 + ... + 2234341.

It is an arithmetic number, because the mean of its divisors is an integer number (13405986).

Almost surely, 2^49155271 is an apocalyptic number.

49155271 is a deficient number, since it is larger than the sum of its proper divisors (4468673).

49155271 is a wasteful number, since it uses less digits than its factorization.

49155271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468672.

The product of its digits is 12600, while the sum is 34.

The square root of 49155271 is about 7011.0820134983. The cubic root of 49155271 is about 366.3166832187.

The spelling of 49155271 in words is "forty-nine million, one hundred fifty-five thousand, two hundred seventy-one".