56601361 has 16 divisors (see below), whose sum is σ = 61669440. Its totient is φ = 51770880.

The previous prime is 56601329. The next prime is 56601397. The reversal of 56601361 is 16310665.

It is a cyclic number.

It is not a de Polignac number, because 56601361 - 2⁵ = 56601329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56601761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87706 + ... + 88348.

It is an arithmetic number, because the mean of its divisors is an integer number (3854340).

Almost surely, 2^56601361 is an apocalyptic number.

It is an amenable number.

56601361 is a deficient number, since it is larger than the sum of its proper divisors (5068079).

56601361 is a wasteful number, since it uses less digits than its factorization.

56601361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56601361 is about 7523.3876013402. The cubic root of 56601361 is about 383.9508423221.

It can be divided in two parts, 5660 and 1361, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 56601361 in words is "fifty-six million, six hundred one thousand, three hundred sixty-one".