56303133 has 32 divisors (see below), whose sum is σ = 82446336. Its totient is φ = 34038528.

The previous prime is 56303131. The next prime is 56303189. The reversal of 56303133 is 33130365.

It is not a de Polignac number, because 56303133 - 2¹ = 56303131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56303131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198810 + ... + 199092.

It is an arithmetic number, because the mean of its divisors is an integer number (2576448).

Almost surely, 2^56303133 is an apocalyptic number.

It is an amenable number.

56303133 is a deficient number, since it is larger than the sum of its proper divisors (26143203).

56303133 is a wasteful number, since it uses less digits than its factorization.

56303133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 56303133 is about 7503.5413639161. The cubic root of 56303133 is about 383.2753191768.

Adding to 56303133 its reverse (33130365), we get a palindrome (89433498).

The spelling of 56303133 in words is "fifty-six million, three hundred three thousand, one hundred thirty-three".