55560106520 has 32 divisors (see below), whose sum is σ = 132363784800. Its totient is φ = 20916745728.

The previous prime is 55560106499. The next prime is 55560106573. The reversal of 55560106520 is 2560106555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40852340 + ... + 40853699.

It is an arithmetic number, because the mean of its divisors is an integer number (4136368275).

Almost surely, 2^55560106520 is an apocalyptic number.

It is an amenable number.

55560106520 is an abundant number, since it is smaller than the sum of its proper divisors (76803678280).

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

55560106520 is a wasteful number, since it uses less digits than its factorization.

55560106520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81706067 (or 81706063 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 55560106520 its sum of digits (35), we get a palindrome (55560106555).

The spelling of 55560106520 in words is "fifty-five billion, five hundred sixty million, one hundred six thousand, five hundred twenty".