56239648201 has 9 divisors (see below), whose sum is σ = 61820001453. Its totient is φ = 51124581420.

The previous prime is 56239648193. The next prime is 56239648219. The reversal of 56239648201 is 10284693265.

The square root of 56239648201 is 237149.

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

It is not a de Polignac number, because 56239648201 - 2³ = 56239648193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56239648261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2597860 + ... + 2619418.

Almost surely, 2^56239648201 is an apocalyptic number.

56239648201 is the 237149-th square number.

56239648201 is the 118575-th centered octagonal number.

It is an amenable number.

56239648201 is a deficient number, since it is larger than the sum of its proper divisors (5580353252).

56239648201 is an frugal number, since it uses more digits than its factorization.

56239648201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43140 (or 21570 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 56239648201 in words is "fifty-six billion, two hundred thirty-nine million, six hundred forty-eight thousand, two hundred one".