49999950 has 384 divisors, whose sum is σ = 189987840. Its totient is φ = 9331200.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999950 is 5999994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1351332 + ... + 1351368.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^49999950 is an apocalyptic number.

49999950 is the 3780-th nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94993920).

49999950 is an abundant number, since it is smaller than the sum of its proper divisors (139987890).

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

49999950 is a wasteful number, since it uses less digits than its factorization.

49999950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 54.

The square root of 49999950 is about 7071.0642763307. The cubic root of 49999950 is about 368.4030270629.

It can be divided in two parts, 49 and 999950, that added together give a palindrome (999999).

The spelling of 49999950 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred fifty".