55061511655160 has 32 divisors (see below), whose sum is σ = 130408843395600. Its totient is φ = 20865414942720.

The previous prime is 55061511655123. The next prime is 55061511655207. The reversal of 55061511655160 is 6155611516055.

It is a super-3 number, since 3×55061511655160³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36224677961 + ... + 36224679480.

Almost surely, 2^{55061511655160} is an apocalyptic number.

It is an amenable number.

55061511655160 is an abundant number, since it is smaller than the sum of its proper divisors (75347331740440).

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

55061511655160 is a wasteful number, since it uses less digits than its factorization.

55061511655160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72449357471 (or 72449357467 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 55061511655160 in words is "fifty-five trillion, sixty-one billion, five hundred eleven million, six hundred fifty-five thousand, one hundred sixty".