49399850 has 12 divisors (see below), whose sum is σ = 91883814. Its totient is φ = 19759920.

The previous prime is 49399849. The next prime is 49399853. The reversal of 49399850 is 5899394.

It can be written as a sum of positive squares in 3 ways, for example, as 39025009 + 10374841 = 6247^2 + 3221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49399795 and 49399804.

It is not an unprimeable number, because it can be changed into a prime (49399853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493949 + ... + 494048.

Almost surely, 2^49399850 is an apocalyptic number.

49399850 is a deficient number, since it is larger than the sum of its proper divisors (42483964).

49399850 is a wasteful number, since it uses less digits than its factorization.

49399850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988009 (or 988004 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 49399850 is about 7028.5026854943. The cubic root of 49399850 is about 366.9232318201.

The spelling of 49399850 in words is "forty-nine million, three hundred ninety-nine thousand, eight hundred fifty".