56223751 has 8 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 54708480.

The previous prime is 56223737. The next prime is 56223767. The reversal of 56223751 is 15732265.

56223751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56223751 - 2⁷ = 56223623 is a prime.

It is a super-2 number, since 2×56223751² = 6322220353020002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56223781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16170 + ... + 19336.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^56223751 is an apocalyptic number.

56223751 is a deficient number, since it is larger than the sum of its proper divisors (1522553).

56223751 is a wasteful number, since it uses less digits than its factorization.

56223751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641.

The product of its digits is 12600, while the sum is 31.

The square root of 56223751 is about 7498.2498624679. The cubic root of 56223751 is about 383.0951073495.

The spelling of 56223751 in words is "fifty-six million, two hundred twenty-three thousand, seven hundred fifty-one".