56133601 has 4 divisors (see below), whose sum is σ = 56162304. Its totient is φ = 56104900.

The previous prime is 56133587. The next prime is 56133667. The reversal of 56133601 is 10633165.

56133601 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10633165 = 5 ⋅2126633.

It is a cyclic number.

It is not a de Polignac number, because 56133601 - 2²¹ = 54036449 is a prime.

It is a super-2 number, since 2×56133601² = 6301962322454402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56134601) 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, 11185 + ... + 15406.

It is an arithmetic number, because the mean of its divisors is an integer number (14040576).

Almost surely, 2^56133601 is an apocalyptic number.

It is an amenable number.

56133601 is a deficient number, since it is larger than the sum of its proper divisors (28703).

56133601 is a wasteful number, since it uses less digits than its factorization.

56133601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28702.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 56133601 is about 7492.2360480700. The cubic root of 56133601 is about 382.8902443494.

Adding to 56133601 its reverse (10633165), we get a palindrome (66766766).

The spelling of 56133601 in words is "fifty-six million, one hundred thirty-three thousand, six hundred one".