51343133421542 has 16 divisors (see below), whose sum is σ = 77072836433472. Its totient is φ = 25652190789120.

The previous prime is 51343133421533. The next prime is 51343133421583. The reversal of 51343133421542 is 24512433134315.

It is a super-2 number, since 2×51343133421542² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51343133421542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35735942 + ... + 37144902.

It is an arithmetic number, because the mean of its divisors is an integer number (4817052277092).

Almost surely, 2^{51343133421542} is an apocalyptic number.

51343133421542 is a deficient number, since it is larger than the sum of its proper divisors (25729703011930).

51343133421542 is a wasteful number, since it uses less digits than its factorization.

51343133421542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422703.

The product of its digits is 518400, while the sum is 41.

Adding to 51343133421542 its reverse (24512433134315), we get a palindrome (75855566555857).

The spelling of 51343133421542 in words is "fifty-one trillion, three hundred forty-three billion, one hundred thirty-three million, four hundred twenty-one thousand, five hundred forty-two".