55666522560 has 112 divisors (see below), whose sum is σ = 192808628352. Its totient is φ = 13494912000.

The previous prime is 55666522553. The next prime is 55666522567. The reversal of 55666522560 is 6522566655.

It is an interprime number because it is at equal distance from previous prime (55666522553) and next prime (55666522567).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55666522567) 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, 2625166 + ... + 2646285.

Almost surely, 2^55666522560 is an apocalyptic number.

It is an amenable number.

55666522560 is an abundant number, since it is smaller than the sum of its proper divisors (137142105792).

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

55666522560 is a wasteful number, since it uses less digits than its factorization.

55666522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271482 (or 5271472 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 55666522560 in words is "fifty-five billion, six hundred sixty-six million, five hundred twenty-two thousand, five hundred sixty".