51549734150 has 24 divisors (see below), whose sum is σ = 98975492544. Its totient is φ = 19954735200.

The previous prime is 51549734143. The next prime is 51549734167. The reversal of 51549734150 is 5143794515.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16627397 + ... + 16630496.

It is an arithmetic number, because the mean of its divisors is an integer number (4123978856).

Almost surely, 2^51549734150 is an apocalyptic number.

51549734150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51549734150 is a deficient number, since it is larger than the sum of its proper divisors (47425758394).

51549734150 is a wasteful number, since it uses less digits than its factorization.

51549734150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33257936 (or 33257931 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 51549734150 in words is "fifty-one billion, five hundred forty-nine million, seven hundred thirty-four thousand, one hundred fifty".