55166006061 has 6 divisors (see below), whose sum is σ = 79684230990. Its totient is φ = 36777337368.

The previous prime is 55166006041. The next prime is 55166006083. The reversal of 55166006061 is 16060066155.

55166006061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49885222500 + 5280783561 = 223350^2 + 72669^2 .

It is not a de Polignac number, because 55166006061 - 2⁵ = 55166006029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55166006041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3064778106 + ... + 3064778123.

It is an arithmetic number, because the mean of its divisors is an integer number (13280705165).

Almost surely, 2^55166006061 is an apocalyptic number.

It is an amenable number.

55166006061 is a deficient number, since it is larger than the sum of its proper divisors (24518224929).

55166006061 is a wasteful number, since it uses less digits than its factorization.

55166006061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129556235 (or 6129556232 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 55166006061 in words is "fifty-five billion, one hundred sixty-six million, six thousand, sixty-one".