56381527 has 2 divisors, whose sum is σ = 56381528. Its totient is φ = 56381526.

The previous prime is 56381509. The next prime is 56381551. The reversal of 56381527 is 72518365.

56381527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56381527 - 2⁷ = 56381399 is a prime.

It is a super-3 number, since 3×56381527³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56381587) 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 as a sum of consecutive naturals, namely, 28190763 + 28190764.

It is an arithmetic number, because the mean of its divisors is an integer number (28190764).

Almost surely, 2^56381527 is an apocalyptic number.

56381527 is a deficient number, since it is larger than the sum of its proper divisors (1).

56381527 is an equidigital number, since it uses as much as digits as its factorization.

56381527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 56381527 is about 7508.7633469167. The cubic root of 56381527 is about 383.4531218994.

The spelling of 56381527 in words is "fifty-six million, three hundred eighty-one thousand, five hundred twenty-seven".