50000490 has 40 divisors (see below), whose sum is σ = 134447940. Its totient is φ = 13333248.

The previous prime is 50000477. The next prime is 50000491. The reversal of 50000490 is 9400005.

It can be written as a sum of positive squares in 2 ways, for example, as 46662561 + 3337929 = 6831^2 + 1827^2 .

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

It is not an unprimeable number, because it can be changed into a prime (50000491) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30055 + ... + 31674.

Almost surely, 2^50000490 is an apocalyptic number.

50000490 is an abundant number, since it is smaller than the sum of its proper divisors (84447450).

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

50000490 is a wasteful number, since it uses less digits than its factorization.

50000490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61748 (or 61739 counting only the distinct ones).

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

The square root of 50000490 is about 7071.1024600129. The cubic root of 50000490 is about 368.4043533104.

Adding to 50000490 its reverse (9400005), we get a palindrome (59400495).

The spelling of 50000490 in words is "fifty million, four hundred ninety", and thus it is an aban number.