56145633 has 4 divisors (see below), whose sum is σ = 74860848. Its totient is φ = 37430420.

The previous prime is 56145629. The next prime is 56145643. The reversal of 56145633 is 33654165.

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.

It is a cyclic number.

It is not a de Polignac number, because 56145633 - 2² = 56145629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56145594 and 56145603.

It is not an unprimeable number, because it can be changed into a prime (56145643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9357603 + ... + 9357608.

It is an arithmetic number, because the mean of its divisors is an integer number (18715212).

Almost surely, 2^56145633 is an apocalyptic number.

It is an amenable number.

56145633 is a deficient number, since it is larger than the sum of its proper divisors (18715215).

56145633 is a wasteful number, since it uses less digits than its factorization.

56145633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18715214.

The product of its digits is 32400, while the sum is 33.

The square root of 56145633 is about 7493.0389696037. The cubic root of 56145633 is about 382.9175993633.

Adding to 56145633 its reverse (33654165), we get a palindrome (89799798).

The spelling of 56145633 in words is "fifty-six million, one hundred forty-five thousand, six hundred thirty-three".