56473783 has 2 divisors, whose sum is σ = 56473784. Its totient is φ = 56473782.

The previous prime is 56473777. The next prime is 56473787. The reversal of 56473783 is 38737465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56473783 is a prime.

It is a super-3 number, since 3×56473783³ (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 (56473787) 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, 28236891 + 28236892.

It is an arithmetic number, because the mean of its divisors is an integer number (28236892).

Almost surely, 2^56473783 is an apocalyptic number.

56473783 is a deficient number, since it is larger than the sum of its proper divisors (1).

56473783 is an equidigital number, since it uses as much as digits as its factorization.

56473783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 56473783 is about 7514.9040579371. The cubic root of 56473783 is about 383.6621535668.

It can be divided in two parts, 564 and 73783, that added together give a palindrome (74347).

The spelling of 56473783 in words is "fifty-six million, four hundred seventy-three thousand, seven hundred eighty-three".