49939775 has 6 divisors (see below), whose sum is σ = 61925352. Its totient is φ = 39951800.

The previous prime is 49939759. The next prime is 49939793. The reversal of 49939775 is 57793994.

It is a happy number.

It is not a de Polignac number, because 49939775 - 2⁴ = 49939759 is a prime.

It is a super-2 number, since 2×49939775² = 4987962254101250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 998771 + ... + 998820.

It is an arithmetic number, because the mean of its divisors is an integer number (10320892).

Almost surely, 2^49939775 is an apocalyptic number.

49939775 is a deficient number, since it is larger than the sum of its proper divisors (11985577).

49939775 is a wasteful number, since it uses less digits than its factorization.

49939775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997601 (or 1997596 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The square root of 49939775 is about 7066.8079781469. The cubic root of 49939775 is about 368.2551765722.

The spelling of 49939775 in words is "forty-nine million, nine hundred thirty-nine thousand, seven hundred seventy-five".