51344256453 has 16 divisors (see below), whose sum is σ = 82356702720. Its totient is φ = 27795386736.

The previous prime is 51344256401. The next prime is 51344256473. The reversal of 51344256453 is 35465244315.

It is not a de Polignac number, because 51344256453 - 2¹³ = 51344248261 is a prime.

It is a super-2 number, since 2×51344256453² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344256473) 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, 64340775 + ... + 64341572.

It is an arithmetic number, because the mean of its divisors is an integer number (5147293920).

Almost surely, 2^51344256453 is an apocalyptic number.

It is an amenable number.

51344256453 is a deficient number, since it is larger than the sum of its proper divisors (31012446267).

51344256453 is a wasteful number, since it uses less digits than its factorization.

51344256453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128682376.

The product of its digits is 864000, while the sum is 42.

The spelling of 51344256453 in words is "fifty-one billion, three hundred forty-four million, two hundred fifty-six thousand, four hundred fifty-three".