55660211612 has 24 divisors (see below), whose sum is σ = 98404016256. Its totient is φ = 27545069808.

The previous prime is 55660211611. The next prime is 55660211657. The reversal of 55660211612 is 21611206655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660211611) 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, 750263 + ... + 821105.

It is an arithmetic number, because the mean of its divisors is an integer number (4100167344).

Almost surely, 2^55660211612 is an apocalyptic number.

It is an amenable number.

55660211612 is a deficient number, since it is larger than the sum of its proper divisors (42743804644).

55660211612 is a wasteful number, since it uses less digits than its factorization.

55660211612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72857 (or 72855 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 55660211612 in words is "fifty-five billion, six hundred sixty million, two hundred eleven thousand, six hundred twelve".