51655005616002 has 64 divisors (see below), whose sum is σ = 106822497460224. Its totient is φ = 16634809192320.

The previous prime is 51655005616001. The next prime is 51655005616013. The reversal of 51655005616002 is 20061650055615.

It is not an unprimeable number, because it can be changed into a prime (51655005616001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447121398 + ... + 447236910.

It is an arithmetic number, because the mean of its divisors is an integer number (1669101522816).

Almost surely, 2^{51655005616002} is an apocalyptic number.

51655005616002 is an abundant number, since it is smaller than the sum of its proper divisors (55167491844222).

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

51655005616002 is a wasteful number, since it uses less digits than its factorization.

51655005616002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119583.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 51655005616002 in words is "fifty-one trillion, six hundred fifty-five billion, five million, six hundred sixteen thousand, two".