50490490 has 8 divisors (see below), whose sum is σ = 90882900. Its totient is φ = 20196192.

The previous prime is 50490487. The next prime is 50490491. The reversal of 50490490 is 9409405.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48121969 + 2368521 = 6937^2 + 1539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (50490491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524515 + ... + 2524534.

Almost surely, 2^50490490 is an apocalyptic number.

50490490 is a deficient number, since it is larger than the sum of its proper divisors (40392410).

50490490 is a wasteful number, since it uses less digits than its factorization.

50490490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049056.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 50490490 is about 7105.6660490062. Note that the first 3 decimals coincide. The cubic root of 50490490 is about 369.6038857949.

Adding to 50490490 its reverse (9409405), we get a palindrome (59899895).

The spelling of 50490490 in words is "fifty million, four hundred ninety thousand, four hundred ninety".