55650066516 has 72 divisors (see below), whose sum is σ = 158409608448. Its totient is φ = 16319664000.

The previous prime is 55650066509. The next prime is 55650066541. The reversal of 55650066516 is 61566005655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2254345 + ... + 2278896.

Almost surely, 2^55650066516 is an apocalyptic number.

It is an amenable number.

55650066516 is an abundant number, since it is smaller than the sum of its proper divisors (102759541932).

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

55650066516 is a wasteful number, since it uses less digits than its factorization.

55650066516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533293 (or 4533288 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 55650066516 in words is "fifty-five billion, six hundred fifty million, sixty-six thousand, five hundred sixteen".