49999538 has 8 divisors (see below), whose sum is σ = 77585580. Its totient is φ = 24137680.

The previous prime is 49999529. The next prime is 49999553. The reversal of 49999538 is 83599994.

It can be written as a sum of positive squares in 2 ways, for example, as 49885969 + 113569 = 7063^2 + 337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430973 + ... + 431088.

Almost surely, 2^49999538 is an apocalyptic number.

49999538 is a deficient number, since it is larger than the sum of its proper divisors (27586042).

49999538 is a wasteful number, since it uses less digits than its factorization.

49999538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862092.

The product of its digits is 3149280, while the sum is 56.

The square root of 49999538 is about 7071.0351434567. The cubic root of 49999538 is about 368.4020151788.

The spelling of 49999538 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred thirty-eight".