56145601 has 4 divisors (see below), whose sum is σ = 56222932. Its totient is φ = 56068272.

The previous prime is 56145587. The next prime is 56145629. The reversal of 56145601 is 10654165.

56145601 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.

It can be written as a sum of positive squares in 2 ways, for example, as 53582400 + 2563201 = 7320^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 56145601 - 2²⁵ = 22591169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56145601.

It is not an unprimeable number, because it can be changed into a prime (56145701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37566 + ... + 39031.

It is an arithmetic number, because the mean of its divisors is an integer number (14055733).

Almost surely, 2^56145601 is an apocalyptic number.

It is an amenable number.

56145601 is a deficient number, since it is larger than the sum of its proper divisors (77331).

56145601 is an equidigital number, since it uses as much as digits as its factorization.

56145601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77330.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 56145601 is about 7493.0368342882. The cubic root of 56145601 is about 382.9175266158.

Adding to 56145601 its reverse (10654165), we get a palindrome (66799766).

The spelling of 56145601 in words is "fifty-six million, one hundred forty-five thousand, six hundred one".