51761106904 has 32 divisors (see below), whose sum is σ = 104533269120. Its totient is φ = 23886164736.

The previous prime is 51761106899. The next prime is 51761106911. The reversal of 51761106904 is 40960116715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737817 + ... + 804919.

It is an arithmetic number, because the mean of its divisors is an integer number (3266664660).

Almost surely, 2^51761106904 is an apocalyptic number.

It is an amenable number.

51761106904 is an abundant number, since it is smaller than the sum of its proper divisors (52772162216).

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

51761106904 is a wasteful number, since it uses less digits than its factorization.

51761106904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74539 (or 74535 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 51761106904 in words is "fifty-one billion, seven hundred sixty-one million, one hundred six thousand, nine hundred four".