56494147 has 2 divisors, whose sum is σ = 56494148. Its totient is φ = 56494146.

The previous prime is 56494133. The next prime is 56494157. The reversal of 56494147 is 74149465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56494147 - 2⁷ = 56494019 is a prime.

It is not a weakly prime, because it can be changed into another prime (56494157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28247073 + 28247074.

It is an arithmetic number, because the mean of its divisors is an integer number (28247074).

Almost surely, 2^56494147 is an apocalyptic number.

56494147 is a deficient number, since it is larger than the sum of its proper divisors (1).

56494147 is an equidigital number, since it uses as much as digits as its factorization.

56494147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 56494147 is about 7516.2588433342. The cubic root of 56494147 is about 383.7082632055.

The spelling of 56494147 in words is "fifty-six million, four hundred ninety-four thousand, one hundred forty-seven".