51226559 has 8 divisors (see below), whose sum is σ = 54332208. Its totient is φ = 48131200.

The previous prime is 51226529. The next prime is 51226561. The reversal of 51226559 is 95562215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51226559 - 2⁸ = 51226303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51226529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9284 + ... + 13734.

It is an arithmetic number, because the mean of its divisors is an integer number (6791526).

Almost surely, 2^51226559 is an apocalyptic number.

51226559 is a deficient number, since it is larger than the sum of its proper divisors (3105649).

51226559 is a wasteful number, since it uses less digits than its factorization.

51226559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145.

The product of its digits is 27000, while the sum is 35.

The square root of 51226559 is about 7157.2731539323. The cubic root of 51226559 is about 371.3913018183.

The spelling of 51226559 in words is "fifty-one million, two hundred twenty-six thousand, five hundred fifty-nine".