51321076700 has 72 divisors (see below), whose sum is σ = 121270623600. Its totient is φ = 18777346560.

The previous prime is 51321076661. The next prime is 51321076733. The reversal of 51321076700 is 767012315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410609 + ... + 520808.

Almost surely, 2^51321076700 is an apocalyptic number.

51321076700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51321076700 is an abundant number, since it is smaller than the sum of its proper divisors (69949546900).

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

51321076700 is a wasteful number, since it uses less digits than its factorization.

51321076700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931479 (or 931472 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 51321076700 in words is "fifty-one billion, three hundred twenty-one million, seventy-six thousand, seven hundred".