49999958 has 16 divisors (see below), whose sum is σ = 79574400. Its totient is φ = 23481216.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999958 is 85999994.

It is a self number, because there is not a number n which added to its sum of digits gives 49999958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19643 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (4973400).

Almost surely, 2^49999958 is an apocalyptic number.

49999958 is a deficient number, since it is larger than the sum of its proper divisors (29574442).

49999958 is a wasteful number, since it uses less digits than its factorization.

49999958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its digits is 9447840, while the sum is 62.

The square root of 49999958 is about 7071.0648420164. The cubic root of 49999958 is about 368.4030467111.

The spelling of 49999958 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-eight".