56658419 has 2 divisors, whose sum is σ = 56658420. Its totient is φ = 56658418.

The previous prime is 56658409. The next prime is 56658449. The reversal of 56658419 is 91485665.

56658419 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 56658419 - 2¹⁶ = 56592883 is a prime.

It is a super-2 number, since 2×56658419² = 6420352887159122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56658419.

It is not a weakly prime, because it can be changed into another prime (56658409) 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, 28329209 + 28329210.

It is an arithmetic number, because the mean of its divisors is an integer number (28329210).

Almost surely, 2^56658419 is an apocalyptic number.

56658419 is a deficient number, since it is larger than the sum of its proper divisors (1).

56658419 is an equidigital number, since it uses as much as digits as its factorization.

56658419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 56658419 is about 7527.1786879282. The cubic root of 56658419 is about 384.0798151329.

It can be divided in two parts, 566 and 58419, that added together give a palindrome (58985).

The spelling of 56658419 in words is "fifty-six million, six hundred fifty-eight thousand, four hundred nineteen".