51336222506 has 8 divisors (see below), whose sum is σ = 77008670244. Its totient is φ = 25666665760.

The previous prime is 51336222503. The next prime is 51336222529. The reversal of 51336222506 is 60522263315.

It can be written as a sum of positive squares in 2 ways, for example, as 44496105481 + 6840117025 = 210941^2 + 82705^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51336222503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677795 + ... + 749718.

Almost surely, 2^51336222506 is an apocalyptic number.

51336222506 is a deficient number, since it is larger than the sum of its proper divisors (25672447738).

51336222506 is a wasteful number, since it uses less digits than its factorization.

51336222506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445496.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 51336222506 in words is "fifty-one billion, three hundred thirty-six million, two hundred twenty-two thousand, five hundred six".