51599089 has 2 divisors, whose sum is σ = 51599090. Its totient is φ = 51599088.

The previous prime is 51599059. The next prime is 51599137. The reversal of 51599089 is 98099515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 3600 = 7183^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 51599089 - 2¹¹ = 51597041 is a prime.

It is not a weakly prime, because it can be changed into another prime (51599039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25799544 + 25799545.

It is an arithmetic number, because the mean of its divisors is an integer number (25799545).

Almost surely, 2^51599089 is an apocalyptic number.

It is an amenable number.

51599089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51599089 is an equidigital number, since it uses as much as digits as its factorization.

51599089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 46.

The square root of 51599089 is about 7183.2505873038. The cubic root of 51599089 is about 372.2894060590.

The spelling of 51599089 in words is "fifty-one million, five hundred ninety-nine thousand, eighty-nine".