55185085652 has 24 divisors (see below), whose sum is σ = 101168659200. Its totient is φ = 26303842656.

The previous prime is 55185085651. The next prime is 55185085661. The reversal of 55185085652 is 25658058155.

It is a self number, because there is not a number n which added to its sum of digits gives 55185085652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55185085651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3001808 + ... + 3020135.

It is an arithmetic number, because the mean of its divisors is an integer number (4215360800).

Almost surely, 2^55185085652 is an apocalyptic number.

It is an amenable number.

55185085652 is a deficient number, since it is larger than the sum of its proper divisors (45983573548).

55185085652 is a wasteful number, since it uses less digits than its factorization.

55185085652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022055 (or 6022053 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 50.

The spelling of 55185085652 in words is "fifty-five billion, one hundred eighty-five million, eighty-five thousand, six hundred fifty-two".