51590089 has 4 divisors (see below), whose sum is σ = 51605140. Its totient is φ = 51575040.

The previous prime is 51590083. The next prime is 51590137. The reversal of 51590089 is 98009515.

51590089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98009515 = 5 ⋅19601903.

It can be written as a sum of positive squares in 2 ways, for example, as 11799225 + 39790864 = 3435^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 51590089 - 2⁵ = 51590057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51590083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (12901285).

Almost surely, 2^51590089 is an apocalyptic number.

It is an amenable number.

51590089 is a deficient number, since it is larger than the sum of its proper divisors (15051).

51590089 is an equidigital number, since it uses as much as digits as its factorization.

51590089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 51590089 is about 7182.6241026522. The cubic root of 51590089 is about 372.2677596854.

The spelling of 51590089 in words is "fifty-one million, five hundred ninety thousand, eighty-nine".