51822142700 has 36 divisors (see below), whose sum is σ = 115196840472. Its totient is φ = 20223273600.

The previous prime is 51822142699. The next prime is 51822142709. The reversal of 51822142700 is 724122815.

It is not an unprimeable number, because it can be changed into a prime (51822142709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6315674 + ... + 6323873.

Almost surely, 2^51822142700 is an apocalyptic number.

51822142700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51822142700 is an abundant number, since it is smaller than the sum of its proper divisors (63374697772).

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

51822142700 is a wasteful number, since it uses less digits than its factorization.

51822142700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12639602 (or 12639595 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 51822142700 in words is "fifty-one billion, eight hundred twenty-two million, one hundred forty-two thousand, seven hundred".