56356133 has 4 divisors (see below), whose sum is σ = 56372460. Its totient is φ = 56339808.

The previous prime is 56356117. The next prime is 56356169. The reversal of 56356133 is 33165365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 15626209 = 6382^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 56356133 - 2⁴ = 56356117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56356133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356103) 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, 728 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (14093115).

Almost surely, 2^56356133 is an apocalyptic number.

It is an amenable number.

56356133 is a deficient number, since it is larger than the sum of its proper divisors (16327).

56356133 is a wasteful number, since it uses less digits than its factorization.

56356133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326.

The product of its digits is 24300, while the sum is 32.

The square root of 56356133 is about 7507.0721989335. The cubic root of 56356133 is about 383.3955447025.

The spelling of 56356133 in words is "fifty-six million, three hundred fifty-six thousand, one hundred thirty-three".