51332630656636 has 24 divisors (see below), whose sum is σ = 103044099931136. Its totient is φ = 21918519149040.

The previous prime is 51332630656631. The next prime is 51332630656663. The reversal of 51332630656636 is 63665603623315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51332630656631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382479936 + ... + 3382495111.

Almost surely, 2^{51332630656636} is an apocalyptic number.

It is an amenable number.

51332630656636 is an abundant number, since it is smaller than the sum of its proper divisors (51711469274500).

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

51332630656636 is a wasteful number, since it uses less digits than its factorization.

51332630656636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764975329 (or 6764975327 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 55.

The spelling of 51332630656636 in words is "fifty-one trillion, three hundred thirty-two billion, six hundred thirty million, six hundred fifty-six thousand, six hundred thirty-six".