56536351 has 4 divisors (see below), whose sum is σ = 56617704. Its totient is φ = 56455000.

The previous prime is 56536349. The next prime is 56536367. The reversal of 56536351 is 15363565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56536351 - 2¹ = 56536349 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 (56536301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39625 + ... + 41026.

It is an arithmetic number, because the mean of its divisors is an integer number (14154426).

Almost surely, 2^56536351 is an apocalyptic number.

56536351 is a deficient number, since it is larger than the sum of its proper divisors (81353).

56536351 is an equidigital number, since it uses as much as digits as its factorization.

56536351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81352.

The product of its digits is 40500, while the sum is 34.

The square root of 56536351 is about 7519.0658329343. The cubic root of 56536351 is about 383.8037892820.

It can be divided in two parts, 5 and 6536351, that added together give a palindrome (6536356).

The spelling of 56536351 in words is "fifty-six million, five hundred thirty-six thousand, three hundred fifty-one".