55366560601 has 9 divisors (see below), whose sum is σ = 60860304309. Its totient is φ = 50330883900.

The previous prime is 55366560589. The next prime is 55366560617. The reversal of 55366560601 is 10606566355.

The square root of 55366560601 is 235301.

It is a perfect power (a square), and thus also a powerful number.

55366560601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55366560601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55366560901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2577616 + ... + 2599006.

Almost surely, 2^55366560601 is an apocalyptic number.

55366560601 is the 235301-st square number.

55366560601 is the 117651-st centered octagonal number.

It is an amenable number.

55366560601 is a deficient number, since it is larger than the sum of its proper divisors (5493743708).

55366560601 is an frugal number, since it uses more digits than its factorization.

55366560601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42804 (or 21402 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 55366560601 in words is "fifty-five billion, three hundred sixty-six million, five hundred sixty thousand, six hundred one".