51223031457829 has 16 divisors (see below), whose sum is σ = 65588493776256. Its totient is φ = 38835292363200.

The previous prime is 51223031457751. The next prime is 51223031457833. The reversal of 51223031457829 is 92875413032215.

It is a cyclic number.

It is not a de Polignac number, because 51223031457829 - 2¹¹ = 51223031455781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51223031457859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8989648162 + ... + 8989653859.

It is an arithmetic number, because the mean of its divisors is an integer number (4099280861016).

Almost surely, 2^{51223031457829} is an apocalyptic number.

It is an amenable number.

51223031457829 is a deficient number, since it is larger than the sum of its proper divisors (14365462318427).

51223031457829 is a wasteful number, since it uses less digits than its factorization.

51223031457829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17979302076.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 51223031457829 in words is "fifty-one trillion, two hundred twenty-three billion, thirty-one million, four hundred fifty-seven thousand, eight hundred twenty-nine".