50812823889 has 27 divisors (see below), whose sum is σ = 76043829979. Its totient is φ = 32694481680.

The previous prime is 50812823833. The next prime is 50812823903. The reversal of 50812823889 is 98832821805.

The square root of 50812823889 is 225417.

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

50812823889 is a `hidden beast` number, since 508 + 1 + 28 + 2 + 38 + 89 = 666.

50812823889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26645012289 + 24167811600 = 163233^2 + 155460^2 .

It is not a de Polignac number, because 50812823889 - 2¹⁷ = 50812692817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50812823989) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19609984 + ... + 19612574.

Almost surely, 2^50812823889 is an apocalyptic number.

50812823889 is the 225417-th square number.

50812823889 is the 112709-th centered octagonal number.

It is an amenable number.

50812823889 is a deficient number, since it is larger than the sum of its proper divisors (25231006090).

50812823889 is an frugal number, since it uses more digits than its factorization.

50812823889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 50812823889 in words is "fifty billion, eight hundred twelve million, eight hundred twenty-three thousand, eight hundred eighty-nine".