55606515064 has 32 divisors (see below), whose sum is σ = 108859191840. Its totient is φ = 26578816000.

The previous prime is 55606515061. The next prime is 55606515071. The reversal of 55606515064 is 46051560655.

It is a self number, because there is not a number n which added to its sum of digits gives 55606515064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606515061) 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, 228864 + ... + 404464.

It is an arithmetic number, because the mean of its divisors is an integer number (3401849745).

Almost surely, 2^55606515064 is an apocalyptic number.

It is an amenable number.

55606515064 is a deficient number, since it is larger than the sum of its proper divisors (53252676776).

55606515064 is a wasteful number, since it uses less digits than its factorization.

55606515064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177351 (or 177347 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 55606515064 in words is "fifty-five billion, six hundred six million, five hundred fifteen thousand, sixty-four".