56235601 has 2 divisors, whose sum is σ = 56235602. Its totient is φ = 56235600.

The previous prime is 56235593. The next prime is 56235661. The reversal of 56235601 is 10653265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 4410000 = 7199^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 56235601 - 2³ = 56235593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56235601.

It is not a weakly prime, because it can be changed into another prime (56235661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28117800 + 28117801.

It is an arithmetic number, because the mean of its divisors is an integer number (28117801).

Almost surely, 2^56235601 is an apocalyptic number.

It is an amenable number.

56235601 is a deficient number, since it is larger than the sum of its proper divisors (1).

56235601 is an equidigital number, since it uses as much as digits as its factorization.

56235601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56235601 is about 7499.0400052273. The cubic root of 56235601 is about 383.1220198082.

Adding to 56235601 its reverse (10653265), we get a palindrome (66888866).

It can be divided in two parts, 562 and 35601, that added together give a palindrome (36163).

The spelling of 56235601 in words is "fifty-six million, two hundred thirty-five thousand, six hundred one".