51343437853874 has 16 divisors (see below), whose sum is σ = 77162868373248. Its totient is φ = 25622515796592.

The previous prime is 51343437853837. The next prime is 51343437853879. The reversal of 51343437853874 is 47835873434315.

It is a super-2 number, since 2×51343437853874² (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 51343437853874.

It is not an unprimeable number, because it can be changed into a prime (51343437853879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5500577 + ... + 11530100.

It is an arithmetic number, because the mean of its divisors is an integer number (4822679273328).

Almost surely, 2^{51343437853874} is an apocalyptic number.

51343437853874 is a deficient number, since it is larger than the sum of its proper divisors (25819430519374).

51343437853874 is a wasteful number, since it uses less digits than its factorization.

51343437853874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17033569.

The product of its digits is 406425600, while the sum is 65.

The spelling of 51343437853874 in words is "fifty-one trillion, three hundred forty-three billion, four hundred thirty-seven million, eight hundred fifty-three thousand, eight hundred seventy-four".