55560666525 has 96 divisors (see below), whose sum is σ = 113138258688. Its totient is φ = 23428915200.

The previous prime is 55560666523. The next prime is 55560666547. The reversal of 55560666525 is 52566606555.

It is not a de Polignac number, because 55560666525 - 2¹ = 55560666523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560666523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18269005 + ... + 18272045.

It is an arithmetic number, because the mean of its divisors is an integer number (1178523528).

Almost surely, 2^55560666525 is an apocalyptic number.

It is an amenable number.

55560666525 is an abundant number, since it is smaller than the sum of its proper divisors (57577592163).

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

55560666525 is a wasteful number, since it uses less digits than its factorization.

55560666525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 55560666525 in words is "fifty-five billion, five hundred sixty million, six hundred sixty-six thousand, five hundred twenty-five".