56424311 has 2 divisors, whose sum is σ = 56424312. Its totient is φ = 56424310.

The previous prime is 56424293. The next prime is 56424331. The reversal of 56424311 is 11342465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56424311 - 2¹⁴ = 56407927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56424331) 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, 28212155 + 28212156.

It is an arithmetic number, because the mean of its divisors is an integer number (28212156).

Almost surely, 2^56424311 is an apocalyptic number.

56424311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56424311 is an equidigital number, since it uses as much as digits as its factorization.

56424311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 56424311 is about 7511.6117444927. The cubic root of 56424311 is about 383.5500893004.

Adding to 56424311 its reverse (11342465), we get a palindrome (67766776).

The spelling of 56424311 in words is "fifty-six million, four hundred twenty-four thousand, three hundred eleven".