56602031 has 2 divisors, whose sum is σ = 56602032. Its totient is φ = 56602030.

The previous prime is 56602019. The next prime is 56602079. The reversal of 56602031 is 13020665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56602031 - 2¹⁴ = 56585647 is a prime.

It is a super-2 number, since 2×56602031² = 6407579826649922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56601988 and 56602006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56602081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28301015 + 28301016.

It is an arithmetic number, because the mean of its divisors is an integer number (28301016).

Almost surely, 2^56602031 is an apocalyptic number.

56602031 is a deficient number, since it is larger than the sum of its proper divisors (1).

56602031 is an equidigital number, since it uses as much as digits as its factorization.

56602031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 56602031 is about 7523.4321290220. The cubic root of 56602031 is about 383.9523572801.

Adding to 56602031 its reverse (13020665), we get a palindrome (69622696).

The spelling of 56602031 in words is "fifty-six million, six hundred two thousand, thirty-one".