56633554801 has 4 divisors (see below), whose sum is σ = 56674804212. Its totient is φ = 56592305392.

The previous prime is 56633554751. The next prime is 56633554823. The reversal of 56633554801 is 10845533665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10845533665 = 5 ⋅2169106733.

It can be written as a sum of positive squares in 2 ways, for example, as 52451992576 + 4181562225 = 229024^2 + 64665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56633554801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56633554841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20622646 + ... + 20625391.

It is an arithmetic number, because the mean of its divisors is an integer number (14168701053).

Almost surely, 2^56633554801 is an apocalyptic number.

It is an amenable number.

56633554801 is a deficient number, since it is larger than the sum of its proper divisors (41249411).

56633554801 is a wasteful number, since it uses less digits than its factorization.

56633554801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41249410.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 56633554801 in words is "fifty-six billion, six hundred thirty-three million, five hundred fifty-four thousand, eight hundred one".