55506655602 has 12 divisors (see below), whose sum is σ = 120264420510. Its totient is φ = 18502218528.

The previous prime is 55506655571. The next prime is 55506655639. The reversal of 55506655602 is 20655660555.

It can be written as a sum of positive squares in only one way, i.e., 45775030401 + 9731625201 = 213951^2 + 98649^2 .

It is a super-2 number, since 2×55506655602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541851527 + ... + 1541851562.

Almost surely, 2^55506655602 is an apocalyptic number.

55506655602 is an abundant number, since it is smaller than the sum of its proper divisors (64757764908).

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

55506655602 is a wasteful number, since it uses less digits than its factorization.

55506655602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083703097 (or 3083703094 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 55506655602 in words is "fifty-five billion, five hundred six million, six hundred fifty-five thousand, six hundred two".