51549734106 has 48 divisors (see below), whose sum is σ = 120298932936. Its totient is φ = 15859317888.

The previous prime is 51549734077. The next prime is 51549734123. The reversal of 51549734106 is 60143794515.

51549734106 is a `hidden beast` number, since 51 + 5 + 497 + 3 + 4 + 106 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27867294225 + 23682439881 = 166935^2 + 153891^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 3336856 + ... + 3352268.

Almost surely, 2^51549734106 is an apocalyptic number.

51549734106 is an abundant number, since it is smaller than the sum of its proper divisors (68749198830).

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

51549734106 is a wasteful number, since it uses less digits than its factorization.

51549734106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29727 (or 29724 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 51549734106 in words is "fifty-one billion, five hundred forty-nine million, seven hundred thirty-four thousand, one hundred six".