56307189 has 8 divisors (see below), whose sum is σ = 76133952. Its totient is φ = 37009280.

The previous prime is 56307169. The next prime is 56307193. The reversal of 56307189 is 98170365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56307189 - 2¹¹ = 56305141 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 (56307149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131964 + ... + 132389.

It is an arithmetic number, because the mean of its divisors is an integer number (9516744).

Almost surely, 2^56307189 is an apocalyptic number.

It is an amenable number.

56307189 is a deficient number, since it is larger than the sum of its proper divisors (19826763).

56307189 is a wasteful number, since it uses less digits than its factorization.

56307189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264427.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 56307189 is about 7503.8116314311. The cubic root of 56307189 is about 383.2845224975.

The spelling of 56307189 in words is "fifty-six million, three hundred seven thousand, one hundred eighty-nine".