49000050 has 144 divisors (see below), whose sum is σ = 151463520. Its totient is φ = 11232000.

The previous prime is 49000033. The next prime is 49000073. The reversal of 49000050 is 5000094.

49000050 is a nontrivial binomial coefficient, being equal to C(9900, 2).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48999987 and 49000032.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 93790 + ... + 94310.

It is an arithmetic number, because the mean of its divisors is an integer number (1051830).

Almost surely, 2^49000050 is an apocalyptic number.

49000050 is the 9899-th triangular number and also the 4950-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49000050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75731760).

49000050 is an abundant number, since it is smaller than the sum of its proper divisors (102463470).

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

49000050 is a wasteful number, since it uses less digits than its factorization.

49000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 49000050 is about 7000.0035714277. The cubic root of 49000050 is about 365.9306954684.

The spelling of 49000050 in words is "forty-nine million, fifty", and thus it is an aban number and an uban number.