51814106536 has 32 divisors (see below), whose sum is σ = 99555220800. Its totient is φ = 25266482560.

The previous prime is 51814106507. The next prime is 51814106567. The reversal of 51814106536 is 63560141815.

It is a super-2 number, since 2×51814106536² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985605 + ... + 1036843.

It is an arithmetic number, because the mean of its divisors is an integer number (3111100650).

Almost surely, 2^51814106536 is an apocalyptic number.

It is an amenable number.

51814106536 is a deficient number, since it is larger than the sum of its proper divisors (47741114264).

51814106536 is a wasteful number, since it uses less digits than its factorization.

51814106536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54369 (or 54365 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 51814106536 in words is "fifty-one billion, eight hundred fourteen million, one hundred six thousand, five hundred thirty-six".