55560655590 has 32 divisors (see below), whose sum is σ = 145467899136. Its totient is φ = 13469249760.

The previous prime is 55560655531. The next prime is 55560655597. The reversal of 55560655590 is 9555606555.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560655597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84182482 + ... + 84183141.

It is an arithmetic number, because the mean of its divisors is an integer number (4545871848).

Almost surely, 2^55560655590 is an apocalyptic number.

55560655590 is an abundant number, since it is smaller than the sum of its proper divisors (89907243546).

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

55560655590 is a wasteful number, since it uses less digits than its factorization.

55560655590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168365644.

The product of its (nonzero) digits is 5062500, while the sum is 51.

It can be divided in two parts, 5556065 and 5590, that added together give a palindrome (5561655).

The spelling of 55560655590 in words is "fifty-five billion, five hundred sixty million, six hundred fifty-five thousand, five hundred ninety".