51336048765 has 32 divisors (see below), whose sum is σ = 82477230336. Its totient is φ = 27266158080.

The previous prime is 51336048727. The next prime is 51336048769. The reversal of 51336048765 is 56784063315.

It is not a de Polignac number, because 51336048765 - 2¹³ = 51336040573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336048769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14594787 + ... + 14598303.

It is an arithmetic number, because the mean of its divisors is an integer number (2577413448).

Almost surely, 2^51336048765 is an apocalyptic number.

It is an amenable number.

51336048765 is a deficient number, since it is larger than the sum of its proper divisors (31141181571).

51336048765 is a wasteful number, since it uses less digits than its factorization.

51336048765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7269.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 51336048765 in words is "fifty-one billion, three hundred thirty-six million, forty-eight thousand, seven hundred sixty-five".