50431090 has 16 divisors (see below), whose sum is σ = 92489688. Its totient is φ = 19791616.

The previous prime is 50431081. The next prime is 50431091. The reversal of 50431090 is 9013405.

It can be written as a sum of positive squares in 4 ways, for example, as 50424201 + 6889 = 7101^2 + 83^2 .

It is not an unprimeable number, because it can be changed into a prime (50431091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47047 + ... + 48106.

Almost surely, 2^50431090 is an apocalyptic number.

50431090 is a deficient number, since it is larger than the sum of its proper divisors (42058598).

50431090 is a wasteful number, since it uses less digits than its factorization.

50431090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95213.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 50431090 is about 7101.4850559584. The cubic root of 50431090 is about 369.4588876249.

Adding to 50431090 its reverse (9013405), we get a palindrome (59444495).

The spelling of 50431090 in words is "fifty million, four hundred thirty-one thousand, ninety".