49170871 has 2 divisors, whose sum is σ = 49170872. Its totient is φ = 49170870.

The previous prime is 49170857. The next prime is 49170889. The reversal of 49170871 is 17807194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49170871 - 2¹³ = 49162679 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49170871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49170811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24585435 + 24585436.

It is an arithmetic number, because the mean of its divisors is an integer number (24585436).

Almost surely, 2^49170871 is an apocalyptic number.

49170871 is a deficient number, since it is larger than the sum of its proper divisors (1).

49170871 is an equidigital number, since it uses as much as digits as its factorization.

49170871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 49170871 is about 7012.1944496712. The cubic root of 49170871 is about 366.3554307475.

The spelling of 49170871 in words is "forty-nine million, one hundred seventy thousand, eight hundred seventy-one".