56347133 has 4 divisors (see below), whose sum is σ = 56555328. Its totient is φ = 56138940.

The previous prime is 56347127. The next prime is 56347139. The reversal of 56347133 is 33174365.

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 an interprime number because it is at equal distance from previous prime (56347127) and next prime (56347139).

It is a cyclic number.

It is not a de Polignac number, because 56347133 - 2²⁴ = 39569917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56347133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56347139) 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, 103691 + ... + 104232.

It is an arithmetic number, because the mean of its divisors is an integer number (14138832).

Almost surely, 2^56347133 is an apocalyptic number.

It is an amenable number.

56347133 is a deficient number, since it is larger than the sum of its proper divisors (208195).

56347133 is a wasteful number, since it uses less digits than its factorization.

56347133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208194.

The product of its digits is 22680, while the sum is 32.

The square root of 56347133 is about 7506.4727402423. The cubic root of 56347133 is about 383.3751343620.

The spelling of 56347133 in words is "fifty-six million, three hundred forty-seven thousand, one hundred thirty-three".