51655550666148 has 72 divisors (see below), whose sum is σ = 153401332296576. Its totient is φ = 14449105080000.

The previous prime is 51655550666123. The next prime is 51655550666173. The reversal of 51655550666148 is 84166605555615.

It is an interprime number because it is at equal distance from previous prime (51655550666123) and next prime (51655550666173).

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, 5017045228 + ... + 5017055523.

Almost surely, 2^{51655550666148} is an apocalyptic number.

It is an amenable number.

51655550666148 is an abundant number, since it is smaller than the sum of its proper divisors (101745781630428).

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

51655550666148 is a wasteful number, since it uses less digits than its factorization.

51655550666148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034100785 (or 10034100780 counting only the distinct ones).

The product of its (nonzero) digits is 129600000, while the sum is 63.

The spelling of 51655550666148 in words is "fifty-one trillion, six hundred fifty-five billion, five hundred fifty million, six hundred sixty-six thousand, one hundred forty-eight".