51801059 has 2 divisors, whose sum is σ = 51801060. Its totient is φ = 51801058.

The previous prime is 51800993. The next prime is 51801107. The reversal of 51801059 is 95010815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51801059 - 2⁸ = 51800803 is a prime.

It is not a weakly prime, because it can be changed into another prime (51801559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25900529 + 25900530.

It is an arithmetic number, because the mean of its divisors is an integer number (25900530).

Almost surely, 2^51801059 is an apocalyptic number.

51801059 is a deficient number, since it is larger than the sum of its proper divisors (1).

51801059 is an equidigital number, since it uses as much as digits as its factorization.

51801059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 51801059 is about 7197.2952558583. The cubic root of 51801059 is about 372.7745141012.

The spelling of 51801059 in words is "fifty-one million, eight hundred one thousand, fifty-nine".