51059539 has 4 divisors (see below), whose sum is σ = 51586024. Its totient is φ = 50533056.

The previous prime is 51059537. The next prime is 51059543. The reversal of 51059539 is 93595015.

51059539 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.

It is a cyclic number.

It is not a de Polignac number, because 51059539 - 2¹ = 51059537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51059498 and 51059507.

It is not an unprimeable number, because it can be changed into a prime (51059537) 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, 263097 + ... + 263290.

It is an arithmetic number, because the mean of its divisors is an integer number (12896506).

Almost surely, 2^51059539 is an apocalyptic number.

51059539 is a deficient number, since it is larger than the sum of its proper divisors (526485).

51059539 is an equidigital number, since it uses as much as digits as its factorization.

51059539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526484.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 51059539 is about 7145.5957764206. The cubic root of 51059539 is about 370.9872320470.

The spelling of 51059539 in words is "fifty-one million, fifty-nine thousand, five hundred thirty-nine".