55666316310 has 64 divisors (see below), whose sum is σ = 145774992384. Its totient is φ = 13492044800.

The previous prime is 55666316287. The next prime is 55666316339. The reversal of 55666316310 is 1361366655.

It is a super-2 number, since 2×55666316310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869862 + ... + 1899398.

It is an arithmetic number, because the mean of its divisors is an integer number (2277734256).

Almost surely, 2^55666316310 is an apocalyptic number.

55666316310 is an abundant number, since it is smaller than the sum of its proper divisors (90108676074).

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

55666316310 is a wasteful number, since it uses less digits than its factorization.

55666316310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35269.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 55666316310 in words is "fifty-five billion, six hundred sixty-six million, three hundred sixteen thousand, three hundred ten".