56363389 has 2 divisors, whose sum is σ = 56363390. Its totient is φ = 56363388.

The previous prime is 56363371. The next prime is 56363407. The reversal of 56363389 is 98336365.

56363389 is nontrivially palindromic in base 15.

It is a balanced prime because it is at equal distance from previous prime (56363371) and next prime (56363407).

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 13264164 = 6565^2 + 3642^2 .

It is a cyclic number.

It is not a de Polignac number, because 56363389 - 2¹⁵ = 56330621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56363369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28181694 + 28181695.

It is an arithmetic number, because the mean of its divisors is an integer number (28181695).

Almost surely, 2^56363389 is an apocalyptic number.

It is an amenable number.

56363389 is a deficient number, since it is larger than the sum of its proper divisors (1).

56363389 is an equidigital number, since it uses as much as digits as its factorization.

56363389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 43.

The square root of 56363389 is about 7507.5554610006. Note that the first 3 decimals coincide. The cubic root of 56363389 is about 383.4119983905.

It can be divided in two parts, 5636 and 3389, that added together give a square (9025 = 95²).

The spelling of 56363389 in words is "fifty-six million, three hundred sixty-three thousand, three hundred eighty-nine".