51343210530 has 32 divisors (see below), whose sum is σ = 136915228800. Its totient is φ = 13691522736.

The previous prime is 51343210487. The next prime is 51343210537. The reversal of 51343210530 is 3501234315.

51343210530 is a `hidden beast` number, since 513 + 43 + 2 + 105 + 3 + 0 = 666.

It is a super-2 number, since 2×51343210530² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51343210494 and 51343210503.

It is not an unprimeable number, because it can be changed into a prime (51343210537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95079750 + ... + 95080289.

It is an arithmetic number, because the mean of its divisors is an integer number (4278600900).

Almost surely, 2^51343210530 is an apocalyptic number.

51343210530 is an abundant number, since it is smaller than the sum of its proper divisors (85572018270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51343210530 is a wasteful number, since it uses less digits than its factorization.

51343210530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190160055 (or 190160049 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 51343210530 its reverse (3501234315), we get a palindrome (54844444845).

The spelling of 51343210530 in words is "fifty-one billion, three hundred forty-three million, two hundred ten thousand, five hundred thirty".