56661462001 has 4 divisors (see below), whose sum is σ = 56699722404. Its totient is φ = 56623201600.

The previous prime is 56661461999. The next prime is 56661462019. The reversal of 56661462001 is 10026416665.

56661462001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10026416665 = 5 ⋅2005283333.

It can be written as a sum of positive squares in 2 ways, for example, as 14652860401 + 42008601600 = 121049^2 + 204960^2 .

It is a cyclic number.

It is not a de Polignac number, because 56661462001 - 2¹ = 56661461999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56661462071) 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, 19127980 + ... + 19130941.

It is an arithmetic number, because the mean of its divisors is an integer number (14174930601).

Almost surely, 2^56661462001 is an apocalyptic number.

It is an amenable number.

56661462001 is a deficient number, since it is larger than the sum of its proper divisors (38260403).

56661462001 is a wasteful number, since it uses less digits than its factorization.

56661462001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38260402.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 56661462001 its reverse (10026416665), we get a palindrome (66687878666).

The spelling of 56661462001 in words is "fifty-six billion, six hundred sixty-one million, four hundred sixty-two thousand, one".