56550560145 has 32 divisors (see below), whose sum is σ = 90852603264. Its totient is φ = 30036518400.

The previous prime is 56550560141. The next prime is 56550560147. The reversal of 56550560145 is 54106505565.

It is not a de Polignac number, because 56550560145 - 2² = 56550560141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56550560097 and 56550560106.

It is not an unprimeable number, because it can be changed into a prime (56550560141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14383830 + ... + 14387760.

It is an arithmetic number, because the mean of its divisors is an integer number (2839143852).

Almost surely, 2^56550560145 is an apocalyptic number.

It is an amenable number.

56550560145 is a deficient number, since it is larger than the sum of its proper divisors (34302043119).

56550560145 is a wasteful number, since it uses less digits than its factorization.

56550560145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 56550560145 in words is "fifty-six billion, five hundred fifty million, five hundred sixty thousand, one hundred forty-five".