55006513166 has 32 divisors (see below), whose sum is σ = 92499809760. Its totient is φ = 24312355200.

The previous prime is 55006513139. The next prime is 55006513187. The reversal of 55006513166 is 66131560055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371356 + ... + 1410896.

It is an arithmetic number, because the mean of its divisors is an integer number (2890619055).

Almost surely, 2^55006513166 is an apocalyptic number.

55006513166 is a deficient number, since it is larger than the sum of its proper divisors (37493296594).

55006513166 is a wasteful number, since it uses less digits than its factorization.

55006513166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41300.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 55006513166 in words is "fifty-five billion, six million, five hundred thirteen thousand, one hundred sixty-six".