51000535383 has 16 divisors (see below), whose sum is σ = 78779694336. Its totient is φ = 28743940800.

The previous prime is 51000535349. The next prime is 51000535427. The reversal of 51000535383 is 38353500015.

It is a happy number.

It is not a de Polignac number, because 51000535383 - 2¹⁸ = 51000273239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000539383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16632693 + ... + 16635758.

It is an arithmetic number, because the mean of its divisors is an integer number (4923730896).

Almost surely, 2^51000535383 is an apocalyptic number.

51000535383 is a deficient number, since it is larger than the sum of its proper divisors (27779158953).

51000535383 is a wasteful number, since it uses less digits than its factorization.

51000535383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33268534.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 51000535383 in words is "fifty-one billion, five hundred thirty-five thousand, three hundred eighty-three".