56355023 has 4 divisors (see below), whose sum is σ = 56415480. Its totient is φ = 56294568.

The previous prime is 56354957. The next prime is 56355031. The reversal of 56355023 is 32055365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32055365 = 5 ⋅6411073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56355023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56355053) 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 3 ways as a sum of consecutive naturals, for example, 28808 + ... + 30701.

It is an arithmetic number, because the mean of its divisors is an integer number (14103870).

Almost surely, 2^56355023 is an apocalyptic number.

56355023 is a deficient number, since it is larger than the sum of its proper divisors (60457).

56355023 is an equidigital number, since it uses as much as digits as its factorization.

56355023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60456.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 56355023 is about 7506.9982682827. The cubic root of 56355023 is about 383.3930275447.

The spelling of 56355023 in words is "fifty-six million, three hundred fifty-five thousand, twenty-three".