50511214009 has 9 divisors (see below), whose sum is σ = 50730389103. Its totient is φ = 50292984672.

The previous prime is 50511214003. The next prime is 50511214021. The reversal of 50511214009 is 90041211505.

The square root of 50511214009 is 224747.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31058775225 + 19452438784 = 176235^2 + 139472^2 .

It is not a de Polignac number, because 50511214009 - 2²⁵ = 50477659577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50511214003) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85178817 + ... + 85179409.

Almost surely, 2^50511214009 is an apocalyptic number.

50511214009 is the 224747-th square number.

50511214009 is the 112374-th centered octagonal number.

It is an amenable number.

50511214009 is a deficient number, since it is larger than the sum of its proper divisors (219175094).

50511214009 is an frugal number, since it uses more digits than its factorization.

50511214009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 50511214009 in words is "fifty billion, five hundred eleven million, two hundred fourteen thousand, nine".