51819264086 has 16 divisors (see below), whose sum is σ = 81334368000. Its totient is φ = 24714084648.

The previous prime is 51819264073. The next prime is 51819264103. The reversal of 51819264086 is 68046291815.

It is a super-2 number, since 2×51819264086² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 1552436 + ... + 1585463.

It is an arithmetic number, because the mean of its divisors is an integer number (5083398000).

Almost surely, 2^51819264086 is an apocalyptic number.

51819264086 is a deficient number, since it is larger than the sum of its proper divisors (29515103914).

51819264086 is a wasteful number, since it uses less digits than its factorization.

51819264086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138283.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 51819264086 in words is "fifty-one billion, eight hundred nineteen million, two hundred sixty-four thousand, eighty-six".