56616201 has 12 divisors (see below), whose sum is σ = 81863028. Its totient is φ = 37705344.

The previous prime is 56616167. The next prime is 56616211. The reversal of 56616201 is 10261665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 28100601 = 5340^2 + 5301^2 .

It is not a de Polignac number, because 56616201 - 2⁷ = 56616073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56616211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8101 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (6821919).

Almost surely, 2^56616201 is an apocalyptic number.

It is an amenable number.

56616201 is a deficient number, since it is larger than the sum of its proper divisors (25246827).

56616201 is a wasteful number, since it uses less digits than its factorization.

56616201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472 (or 6469 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 56616201 is about 7524.3737945426. The cubic root of 56616201 is about 383.9843947109.

Adding to 56616201 its reverse (10261665), we get a palindrome (66877866).

The spelling of 56616201 in words is "fifty-six million, six hundred sixteen thousand, two hundred one".