56000133 has 32 divisors (see below), whose sum is σ = 95397120. Its totient is φ = 31803840.

The previous prime is 56000123. The next prime is 56000143. The reversal of 56000133 is 33100065.

It is an interprime number because it is at equal distance from previous prime (56000123) and next prime (56000143).

It is not a de Polignac number, because 56000133 - 2⁸ = 55999877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000123) 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, 33391 + ... + 35027.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^56000133 is an apocalyptic number.

It is an amenable number.

56000133 is a deficient number, since it is larger than the sum of its proper divisors (39396987).

56000133 is a wasteful number, since it uses less digits than its factorization.

56000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 56000133 is about 7483.3236599789. The cubic root of 56000133 is about 382.5865394350.

Adding to 56000133 its reverse (33100065), we get a palindrome (89100198).

The spelling of 56000133 in words is "fifty-six million, one hundred thirty-three", and thus it is an aban number.