56183639 has 2 divisors, whose sum is σ = 56183640. Its totient is φ = 56183638.

The previous prime is 56183597. The next prime is 56183669. The reversal of 56183639 is 93638165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56183639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56183596 and 56183605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56183669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28091819 + 28091820.

It is an arithmetic number, because the mean of its divisors is an integer number (28091820).

Almost surely, 2^56183639 is an apocalyptic number.

56183639 is a deficient number, since it is larger than the sum of its proper divisors (1).

56183639 is an equidigital number, since it uses as much as digits as its factorization.

56183639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 56183639 is about 7495.5746277387. The cubic root of 56183639 is about 383.0039811706.

The spelling of 56183639 in words is "fifty-six million, one hundred eighty-three thousand, six hundred thirty-nine".