50915090 has 8 divisors (see below), whose sum is σ = 91647180. Its totient is φ = 20366032.

The previous prime is 50915089. The next prime is 50915101. The reversal of 50915090 is 9051905.

It can be written as a sum of positive squares in 2 ways, for example, as 43467649 + 7447441 = 6593^2 + 2729^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545745 + ... + 2545764.

Almost surely, 2^50915090 is an apocalyptic number.

50915090 is a deficient number, since it is larger than the sum of its proper divisors (40732090).

50915090 is a wasteful number, since it uses less digits than its factorization.

50915090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091516.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 50915090 is about 7135.4810629698. The cubic root of 50915090 is about 370.6370568723.

Adding to 50915090 its reverse (9051905), we get a palindrome (59966995).

The spelling of 50915090 in words is "fifty million, nine hundred fifteen thousand, ninety".