56540215301 has 4 divisors (see below), whose sum is σ = 56540694732. Its totient is φ = 56539735872.

The previous prime is 56540215297. The next prime is 56540215343. The reversal of 56540215301 is 10351204565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 48224599201 + 8315616100 = 219601^2 + 91190^2 .

It is a cyclic number.

It is not a de Polignac number, because 56540215301 - 2² = 56540215297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56540275301) 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, 74285 + ... + 344381.

It is an arithmetic number, because the mean of its divisors is an integer number (14135173683).

Almost surely, 2^56540215301 is an apocalyptic number.

It is an amenable number.

56540215301 is a deficient number, since it is larger than the sum of its proper divisors (479431).

56540215301 is a wasteful number, since it uses less digits than its factorization.

56540215301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479430.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 56540215301 its reverse (10351204565), we get a palindrome (66891419866).

The spelling of 56540215301 in words is "fifty-six billion, five hundred forty million, two hundred fifteen thousand, three hundred one".