49008871 has 2 divisors, whose sum is σ = 49008872. Its totient is φ = 49008870.

The previous prime is 49008859. The next prime is 49008887. The reversal of 49008871 is 17880094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49008871 - 2²¹ = 46911719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49008871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49008821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24504435 + 24504436.

It is an arithmetic number, because the mean of its divisors is an integer number (24504436).

Almost surely, 2^49008871 is an apocalyptic number.

49008871 is a deficient number, since it is larger than the sum of its proper divisors (1).

49008871 is an equidigital number, since it uses as much as digits as its factorization.

49008871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 49008871 is about 7000.6336141809. The cubic root of 49008871 is about 365.9526524596.

The spelling of 49008871 in words is "forty-nine million, eight thousand, eight hundred seventy-one".