51246468533 has 16 divisors (see below), whose sum is σ = 58503130560. Its totient is φ = 44469824256.

The previous prime is 51246468509. The next prime is 51246468541. The reversal of 51246468533 is 33586464215.

It is not a de Polignac number, because 51246468533 - 2¹⁴ = 51246452149 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 (51246468503) 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, 54866 + ... + 324812.

It is an arithmetic number, because the mean of its divisors is an integer number (3656445660).

Almost surely, 2^51246468533 is an apocalyptic number.

It is an amenable number.

51246468533 is a deficient number, since it is larger than the sum of its proper divisors (7256662027).

51246468533 is a wasteful number, since it uses less digits than its factorization.

51246468533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270836.

The product of its digits is 2073600, while the sum is 47.

The spelling of 51246468533 in words is "fifty-one billion, two hundred forty-six million, four hundred sixty-eight thousand, five hundred thirty-three".