49115571 has 4 divisors (see below), whose sum is σ = 65487432. Its totient is φ = 32743712.

The previous prime is 49115569. The next prime is 49115587. The reversal of 49115571 is 17551194.

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 49115571 - 2¹ = 49115569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49115371) 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, 8185926 + ... + 8185931.

It is an arithmetic number, because the mean of its divisors is an integer number (16371858).

Almost surely, 2^49115571 is an apocalyptic number.

49115571 is a deficient number, since it is larger than the sum of its proper divisors (16371861).

49115571 is a wasteful number, since it uses less digits than its factorization.

49115571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371860.

The product of its digits is 6300, while the sum is 33.

The square root of 49115571 is about 7008.2502095744. The cubic root of 49115571 is about 366.2180387335.

The spelling of 49115571 in words is "forty-nine million, one hundred fifteen thousand, five hundred seventy-one".