49969950 has 48 divisors (see below), whose sum is σ = 124920576. Its totient is φ = 13218400.

The previous prime is 49969903. The next prime is 49969951. The reversal of 49969950 is 5996994.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49969893 and 49969902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49969951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18379 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (2602512).

Almost surely, 2^49969950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49969950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62460288).

49969950 is an abundant number, since it is smaller than the sum of its proper divisors (74950626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49969950 is a wasteful number, since it uses less digits than its factorization.

49969950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 49969950 is about 7068.9426366324. The cubic root of 49969950 is about 368.3293316428.

The spelling of 49969950 in words is "forty-nine million, nine hundred sixty-nine thousand, nine hundred fifty".