49771898 has 24 divisors (see below), whose sum is σ = 83987904. Its totient is φ = 22092840.

The previous prime is 49771889. The next prime is 49771901. The reversal of 49771898 is 89817794.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8015 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (3499496).

Almost surely, 2^49771898 is an apocalyptic number.

49771898 is a deficient number, since it is larger than the sum of its proper divisors (34216006).

49771898 is a wasteful number, since it uses less digits than its factorization.

49771898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 4839 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 53.

The square root of 49771898 is about 7054.9201271170. The cubic root of 49771898 is about 367.8420724760.

The spelling of 49771898 in words is "forty-nine million, seven hundred seventy-one thousand, eight hundred ninety-eight".