51037734624 has 48 divisors (see below), whose sum is σ = 133996979088. Its totient is φ = 17009667072.

The previous prime is 51037734613. The next prime is 51037734641. The reversal of 51037734624 is 42643773015.

It is a tau number, because it is divible by the number of its divisors (48).

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, 560244 + ... + 644940.

It is an arithmetic number, because the mean of its divisors is an integer number (2791603731).

Almost surely, 2^51037734624 is an apocalyptic number.

It is an amenable number.

51037734624 is an abundant number, since it is smaller than the sum of its proper divisors (82959244464).

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

51037734624 is a wasteful number, since it uses less digits than its factorization.

51037734624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90987 (or 90979 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 51037734624 in words is "fifty-one billion, thirty-seven million, seven hundred thirty-four thousand, six hundred twenty-four".