56026493 has 2 divisors, whose sum is σ = 56026494. Its totient is φ = 56026492.

The previous prime is 56026483. The next prime is 56026499. The reversal of 56026493 is 39462065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36990724 + 19035769 = 6082^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 56026493 - 2⁶ = 56026429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56026499) 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, 28013246 + 28013247.

It is an arithmetic number, because the mean of its divisors is an integer number (28013247).

Almost surely, 2^56026493 is an apocalyptic number.

It is an amenable number.

56026493 is a deficient number, since it is larger than the sum of its proper divisors (1).

56026493 is an equidigital number, since it uses as much as digits as its factorization.

56026493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 56026493 is about 7485.0847022596. The cubic root of 56026493 is about 382.6465595259.

The spelling of 56026493 in words is "fifty-six million, twenty-six thousand, four hundred ninety-three".