56135433 has 16 divisors (see below), whose sum is σ = 79387776. Its totient is φ = 35207040.

The previous prime is 56135399. The next prime is 56135441. The reversal of 56135433 is 33453165.

It is a happy number.

It is not a de Polignac number, because 56135433 - 2⁹ = 56134921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56135433.

It is not an unprimeable number, because it can be changed into a prime (56135483) 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, 2460 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (4961736).

Almost surely, 2^56135433 is an apocalyptic number.

It is an amenable number.

56135433 is a deficient number, since it is larger than the sum of its proper divisors (23252343).

56135433 is a wasteful number, since it uses less digits than its factorization.

56135433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13424.

The product of its digits is 16200, while the sum is 30.

The square root of 56135433 is about 7492.3583069685. The cubic root of 56135433 is about 382.8944096936.

Adding to 56135433 its reverse (33453165), we get a palindrome (89588598).

The spelling of 56135433 in words is "fifty-six million, one hundred thirty-five thousand, four hundred thirty-three".