56228693 has 2 divisors, whose sum is σ = 56228694. Its totient is φ = 56228692.

The previous prime is 56228659. The next prime is 56228701. The reversal of 56228693 is 39682265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55457809 + 770884 = 7447^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 56228693 - 2¹⁶ = 56163157 is a prime.

It is a super-3 number, since 3×56228693³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56228693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56228603) 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 as a sum of consecutive naturals, namely, 28114346 + 28114347.

It is an arithmetic number, because the mean of its divisors is an integer number (28114347).

Almost surely, 2^56228693 is an apocalyptic number.

It is an amenable number.

56228693 is a deficient number, since it is larger than the sum of its proper divisors (1).

56228693 is an equidigital number, since it uses as much as digits as its factorization.

56228693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 56228693 is about 7498.5793987928. The cubic root of 56228693 is about 383.1063315535.

The spelling of 56228693 in words is "fifty-six million, two hundred twenty-eight thousand, six hundred ninety-three".