49638448250 has 16 divisors (see below), whose sum is σ = 92923175592. Its totient is φ = 19855379200.

The previous prime is 49638448193. The next prime is 49638448273. The reversal of 49638448250 is 5284483694.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32451500449 + 17186947801 = 180143^2 + 131099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49638448192 and 49638448201.

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, 99276647 + ... + 99277146.

Almost surely, 2^49638448250 is an apocalyptic number.

49638448250 is a deficient number, since it is larger than the sum of its proper divisors (43284727342).

49638448250 is a wasteful number, since it uses less digits than its factorization.

49638448250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198553810 (or 198553800 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 49638448250 in words is "forty-nine billion, six hundred thirty-eight million, four hundred forty-eight thousand, two hundred fifty".