55506100660 has 12 divisors (see below), whose sum is σ = 116562811428. Its totient is φ = 22202440256.

The previous prime is 55506100591. The next prime is 55506100691. The reversal of 55506100660 is 6600160555.

It can be written as a sum of positive squares in 2 ways, for example, as 6486369444 + 49019731216 = 80538^2 + 221404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387652497 + ... + 1387652536.

It is an arithmetic number, because the mean of its divisors is an integer number (9713567619).

Almost surely, 2^55506100660 is an apocalyptic number.

It is an amenable number.

55506100660 is an abundant number, since it is smaller than the sum of its proper divisors (61056710768).

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

55506100660 is a wasteful number, since it uses less digits than its factorization.

55506100660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775305042 (or 2775305040 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 55506100660 in words is "fifty-five billion, five hundred six million, one hundred thousand, six hundred sixty".