49999426 has 12 divisors (see below), whose sum is σ = 75808818. Its totient is φ = 24732672.

The previous prime is 49999423. The next prime is 49999427. The reversal of 49999426 is 62499994.

It can be written as a sum of positive squares in 3 ways, for example, as 43573201 + 6426225 = 6601^2 + 2535^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999423) 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, 17490 + ... + 20146.

Almost surely, 2^49999426 is an apocalyptic number.

49999426 is a deficient number, since it is larger than the sum of its proper divisors (25809392).

49999426 is an equidigital number, since it uses as much as digits as its factorization.

49999426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2756 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The square root of 49999426 is about 7071.0272238197. The cubic root of 49999426 is about 368.4017401026.

The spelling of 49999426 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred twenty-six".