49998166 has 4 divisors (see below), whose sum is σ = 74997252. Its totient is φ = 24999082.

The previous prime is 49998163. The next prime is 49998167. The reversal of 49998166 is 66189994.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499540 + ... + 12499543.

It is an arithmetic number, because the mean of its divisors is an integer number (18749313).

Almost surely, 2^49998166 is an apocalyptic number.

49998166 is a deficient number, since it is larger than the sum of its proper divisors (24999086).

49998166 is a wasteful number, since it uses less digits than its factorization.

49998166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24999085.

The product of its digits is 839808, while the sum is 52.

The square root of 49998166 is about 7070.9381272926. The cubic root of 49998166 is about 368.3986454665.

The spelling of 49998166 in words is "forty-nine million, nine hundred ninety-eight thousand, one hundred sixty-six".